Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Virgin America Inc. [Member]
Virgin America Inc. [Member]
Virgin America Inc. [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Revenue
Business Acquisition, Pro Forma Revenue
Net Income
Business Acquisition, Pro Forma Net Income (Loss)
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block]
Cash, Cash Equivalents and Investments [Table Text Block]
Schedule of Realized Gain (Loss) [Table Text Block]
Schedule of Realized Gain (Loss) [Table Text Block]
Schedule of Debt Investment Maturities [Table Text Block]
Investments Classified by Contractual Maturity Date [Table Text Block]
Debt Disclosure [Abstract]
LONG-TERM DEBT
Long-term Debt [Text Block]
Compensation and Retirement Disclosure [Abstract]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Qualified Defined Benefit [Member]
Pension Plan [Member]
Postretirement Medical Benefits [Member]
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on assets
Defined Benefit Plan, Expected Return on Plan Assets
Amortization of prior service cost
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Recognized actuarial loss
Defined Benefit Plan, Amortization of Gains (Losses)
Settlement expense (special item)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements
Net pension expense
Defined Benefit Plan, Net Periodic Benefit Cost
Plan settlement
Defined Benefit Plan, Settlements, Benefit Obligation
SPECIAL ITEMS [Abstract]
SPECIAL ITEMS [Abstract]
Unusual or Infrequent Items Disclosure [Text Block]
Unusual or Infrequent Items, or Both, Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions [Table Text Block]
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligations [Table Text Block]
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions [Table Text Block]
Benefit obligation
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Beginning of year
Defined Benefit Plan, Benefit Obligation
Plan settlement
Actuarial (gain) loss
Defined Benefit Plan, Actuarial Gain (Loss)
Benefits paid
Defined Benefit Plan, Benefits Paid
End of year
Plan assets at fair value
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning of year
Defined Benefit Plan, Fair Value of Plan Assets
Actual return on plan assets
Defined Benefit Plan, Actual Return on Plan Assets
Employer contributions
Defined Benefit Plan, Contributions by Employer
Plan settlement
Defined Benefit Plan, Settlements, Plan Assets
End of year
Funded status (unfunded)
Defined Benefit Plan, Funded Status of Plan
Percent funded
Defined Benefit Plan, Funded Percentage
Accumulated benefit obligation
Defined Benefit Plan, Accumulated Benefit Obligation
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Air Group Adjusted [Member]
Air Group Adjusted [Member]
Air Group Adjusted [Member]
Alaska Airlines [Member]
Alaska Airlines [Member]
Alaska Airlines [Member]
Alaska Mainline [Member]
Alaska Mainline [Member]
Alaska Mainline [Member]
Alaska Regional [Member]
Alaska Regional [Member]
Alaska Regional [Member]
Horizon [Member]
Horizon [Member]
Horizon Segment [Member]
Parent [Member]
Segment Reconciling Items [Member]
Intersegment Eliminations
Intersegment Eliminations [Member]
Special Charges [Member]
Special Charges [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Operating revenues
Revenues [Abstract]
Passenger, Mainline
Passenger Revenue, Mainline
Passenger, Regional
Passenger Revenue, Regional
Total passenger revenue
Passenger Revenue
CPA revenues
Revenues
Freight and mail
Cargo and Freight Revenue
Other Net and Special Revenue
Other Net and Special Revenue
Other Net and Special Revenue
Total Operating Revenues
Revenue, Net
Operating expenses
Operating Expenses [Abstract]
Operating expenses, excluding fuel
Operating Expenses, Excluding Fuel
Operating Expenses, Excluding Fuel
Special items—merger-related costs and other
Business Combination, Acquisition Related Costs
Economic fuel
Fuel Costs
Total Operating Expenses
Operating Expenses
Nonoperating Income (Expense)
Nonoperating Income (Expense) [Abstract]
Interest income
Investment Income, Interest
Interest expense
Interest Expense
Other
Other Nonoperating Income Expense Other
Other Nonoperating Income Expense Other
Nonoperating Income (Expense) Total
Nonoperating Income (Expense)
Income (loss) before income tax
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Depreciation
Depreciation, Depletion and Amortization
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
Total assets
Assets
Equity [Abstract]
Unrealized gain on marketable securities considered available-for-sale
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Related to employee benefit plans
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax
Related to interest rate derivatives
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Schedule of Fair Value of Consideration Transferred
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Business Acquisition, Pro Forma Information
Business Acquisition, Pro Forma Information [Table Text Block]
Fair Value Disclosures [Abstract]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Gains (losses) recognized in Interest Expense [Member]
Interest Expense [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Secured Debt [Member]
Secured Debt [Member]
Hedging Designation [Axis]
Hedging Designation [Domain]
Not Designated as Hedging Instrument [Member]
Derivative Instruments Designated as Hedges [Member]
Designated as Hedging Instrument [Member]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Fuel hedge contracts [Member]
Commodity Contract [Member]
Interest rate swaps agreements [Member]
Interest Rate Swap [Member]
Aircraft Type [Axis]
Aircraft Type [Axis]
Aircraft Type [Domain]
Aircraft [Domain]
B737-800 [Member]
B-737-800 [Member]
Derivative [Line Items]
Derivative [Line Items]
Net cash received (paid) to for new positions and settlements
Payments for (Proceeds from) Hedge, Investing Activities
Fuel hedge contracts outstanding (in gallons)
Derivative, Nonmonetary Notional Amount
Capital Leased Assets, Number of B737-800 Aircraft
Capital Leased Assets, Number of Units
Number of interest rate swap agreements
Derivative, Number of Instruments Held
Derivative, Notional Amount
Derivative, Notional Amount
Number of shares of Virgin America common stock issued and outstanding
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Multiplied by cash consideration for each share of common stock per the merger agreement
Business Acquisition, Share Price
Cash consideration paid for common stock issued and outstanding
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Accelerated and vested equity awards attributable to pre-acquisition service
Business Combination, Consideration Transferred, Equity Awards Pre-acquisition Service
Business Combination, Consideration Transferred, Equity Awards Pre-acquisition Service
Total Purchase Price
Business Combination, Consideration Transferred
Accounting Policies [Abstract]
GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Fixed-rate notes payable due through 2028
Fixed rate notes payable due through 2024 [Member]
Fixed rate notes payable due through 2024
Variable-rate notes payable due through 2028
Variable rate notes payable due through 2024 [Member]
Variable rate notes payable due through 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Long-term Debt
Long-term Debt
Less debt issuance costs
Debt Issuance Costs, Net
Less current portion
Long-term Debt, Current Maturities
Long-term debt, net of current portion
Long-term Debt, Excluding Current Maturities
Weighted-average fixed-interest rate
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate
Weighted-average variable-interest rate
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate
Proceeds from issuance of long-term debt, net of issuance costs
Proceeds from Issuance of Debt
Long-term debt payments
Repayments of Long-term Debt
Long-term Debt, Fiscal Year Maturity [Abstract]
2017
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2018
Long-term Debt, Maturities, Repayments of Principal in Year Two
2019
Long-term Debt, Maturities, Repayments of Principal in Year Three
2020
Long-term Debt, Maturities, Repayments of Principal in Year Four
2021
Long-term Debt, Maturities, Repayments of Principal in Year Five
Thereafter
Long-term Debt, Maturities, Repayments of Principal after Year Five
Long-term Debt
Long-term Debt, Gross
Income Tax Disclosure [Abstract]
Current tax expense (benefit):
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Current Federal Tax Expense (Benefit)
State
Current State and Local Tax Expense (Benefit)
Total current
Current Income Tax Expense (Benefit)
Deferred tax expense:
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense (Benefit)
State
Deferred State and Local Income Tax Expense (Benefit)
Total deferred
Deferred Income Tax Expense (Benefit)
Total tax expense related to income
Income Tax Expense (Benefit)
Property, Plant and Equipment [Table Text Block]
Property, Plant and Equipment [Table Text Block]
Liabilities from Mileage Plan [Table Text Block]
Liabilities from Mileage Plan [Table Text Block]
Liabilities from Mileage Plan
Revenue from Mileage Plan [Table Text Block]
Revenue from Mileage Plan [Table Text Block]
Revenue from Mileage Plan
Schedule of Treasury Stock by Class [Table Text Block]
Class of Treasury Stock [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
2015 $1 billion Repurchase Program [Member]
2015 1 Billion Repurchase Program [Member]
2015 1 Billion Repurchase Program [Member]
2014 $650 million Repurchase Program
$650 million Repurchase Program [Domain]
$650 million Repurchase Program [Domain]
2012 $250 million Repurchase Program
$250 million Repurchase Program [Member]
$250 million Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount
Stock Repurchase Program, Authorized Amount
Common stock repurchase (in shares)
Stock Repurchased During Period, Shares
Common stock repurchase
Stock Repurchased During Period, Value
Fair Value, by Balance Sheet Grouping [Table Text Block]
Fair Value, by Balance Sheet Grouping [Table Text Block]
SHAREHOLDER'S EQUITY
Stockholders' Equity Note Disclosure [Text Block]
ACQUISITION OF VIRGIN AMERICA, INC.
Business Combination Disclosure [Text Block]
Operating Segment Information
Segment Reporting Disclosure [Text Block]
Excess of tax over book depreciation
Deferred Tax Liabilities, Property, Plant and Equipment
Deferred Tax Liabilities, Intangible Assets
Deferred Tax Liabilities, Intangible Assets
Other—net
Deferred Tax Liabilities, Other
Gross deferred tax liabilities
Deferred Tax Liabilities, Gross
Mileage Plan
Deferred Tax Assets, Mileage Plan
Deferred Tax Assets, Mileage Plan
Inventory obsolescence
Deferred Tax Assets, Inventory
Deferred gains
Deferred Tax Assets, Deferred Income
Employee benefits
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits
Fuel hedge contracts
Deferred Tax Assets, Derivative Instruments
Acquired net operating losses
Deferred Tax Assets, Operating Loss Carryforwards
Other—net
Deferred Tax Assets, Other
Gross deferred tax assets
Deferred Tax Assets, Gross
Valuation allowance
Operating Loss Carryforwards, Valuation Allowance
Net deferred tax liabilities
Deferred Tax Liabilities, Net
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Federal [Member]
Domestic Tax Authority [Member]
State [Member]
State and Local Jurisdiction [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Income Tax Authority, Name [Domain]
Tax Period [Axis]
Tax Period [Axis]
Tax Period [Domain]
Tax Period [Domain]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Net operating loss
Operating Loss Carryforwards
Schedule Of Mileage Plan Liabilities [Table]
Schedule of Mileage Plan [Table]
Schedule of Mileage Plan [Table]
Mileage Plan [Axis]
Mileage Plan [Axis]
Mileage Plan [Axis]
Mileage Plan [Domain]
Mileage Plan [Domain]
Mileage Plan [Domain]
Revenue From Mileage Plan [Member]
Revenue From Mileage Plan [Member]
Revenue From Mileage Plan [Member]
Liabilities From Mileage Plan [Member]
Liabilities From Mileage Plan [Member]
Liabilities From Mileage Plan [Member]
Mileage Plan [Line Items]
Mileage Plan [Line Items]
Mileage Plan [Line Items]
Other accrued liabilities
Accrued Liabilities, Current
Other liabilities
Other Liabilities, Noncurrent
Deferred revenue
Deferred Revenue
Liabilities
Liabilities
Deferred revenue from Mileage Plan awards issued but not yet flown
Deferred Revenue, Mileage Plan Awards, Issued but not Yet Flown
Deferred Revenue, Mileage Plan Awards, Issued but not Yet Flown
Passenger revenues
Other-net revenues
Other Revenue, Net
Commission revenue
Commission Revenue
Commission Revenue
Allowance for all non-surplus expendable inventories
Inventory Valuation Reserves
Fuel inventory
Energy Related Inventory
EMPLOYEE BENEFIT PLANS
Pension and Other Postretirement Benefits Disclosure [Text Block]
Stock Split [Table]
Stock Split [Table]
Stock Split [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
prestocksplit [Domain]
prestocksplit [Domain]
pre-stock split [Domain]
Stock Split [Line Items]
Stock Split [Line Items]
[Line Items] for Stock Split [Table]
Common stock, shares authorized
Common Stock, Shares Authorized
Common stock, par value
Common Stock, Par or Stated Value Per Share
Defined Benefit Plan by Plan Asset Categories [Axis]
Defined Benefit Plan, Asset Categories [Axis]
Plan Asset Categories [Domain]
Plan Asset Categories [Domain]
Equity funds [Member]
Equity Funds [Member]
Credit bond index fund [Member]
Credit bond index fund [Member]
Credit bond index fund
Fixed Income Funds [Member]
Fixed Income Funds [Member]
Real Estate [Member]
Real Estate [Member]
Investment Geographic Region [Axis]
Investment Geographic Region [Domain]
U.S.
UNITED STATES
Non-U.S. [Member]
Non United States [Member]
Non United States [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Plan asset allocations
Defined Benefit Plan, Actual Plan Asset Allocations
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Equities, Range Minimum
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum
Equities, Range Maximum
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum
Plan Assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Cash Flow Hedging [Member]
Derivative Instruments Not Designated as Hedges [Member]
Derivative Instrument Risk [Axis]
Derivative Contract Type [Domain]
Income Statement and Other Comprehensive Income (Loss) Location [Domain]
Gains (losses) recognized in aircraft fuel expense [Member]
Aircraft Fuel Expense [Member]
Aircraft Fuel Expense [Member]
Gains (losses) recognized in aircraft rent [Member]
Aircraft Rent [Member]
Aircraft Rent [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Losses recognized in income
Derivative, Gain (Loss) on Derivative, Net
Losses in accumulated other comprehensive loss
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net
Loss expected to be reclassified
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months
Schedule of Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES
Cash, Cash Equivalents, and Marketable Securities [Text Block]
DERIVATIVE INSTRUMENTS
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Boeing, 737-900ER [Member]
Boeing, 737-900ER [Member]
Boeing, 737-900Er [Member]
Secured Debt, Aircraft Collateral [Member]
Secured Debt, Aircraft Collateral [Member]
Secured Debt, Aircraft Collateral [Member]
Secured Debt, Aircraft Purchase Agreements [Member]
Secured Debt, Aircraft Purchase Agreements [Member]
Secured Debt, Aircraft Purchase Agreements [Member]
Debt instrument, increase
Debt Instrument, Increase (Decrease), Net
Proceeds from issuance of secured debt
Proceeds from Issuance of Secured Debt
Secured debt, number of aircrafts securing debt financing
Secured Debt, Number of Aircrafts Securing Debt Financing
Secured Debt, Number of Aircrafts Securing Debt Financing
Repayments of debt
Repayments of Debt
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
STOCK-BASED COMPENSATION PLANS
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Aircraft Rent [Member]
Interest Expense [Member]
Hedging Designation [Axis]
Hedging Designation [Domain]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Fuel Hedge Contracts, Current [Member]
Fuel Hedge Contracts, Current [Member]
Fuel Hedge Contracts, Current [Member]
Fuel Hedge Contracts, Noncurrent [Member]
Fuel Hedge Contracts, Noncurrent [Member]
Fuel Hedge Contracts, Noncurrent [Member]
Other Accrued Liabilities [Member]
Other Accrued Liabilities [Member]
Other Accrued Liabilities [Member]
Other Liabilities [Member]
Other Liabilities [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss), Balance Sheet Location [Member]
Accumulated Other Comprehensive Income Loss, Balance Sheet Location
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current
Derivative Asset, Current
Derivative Assets, Noncurrent
Derivative Asset, Noncurrent
Derivative Liabilities, Current
Derivative Liability, Current
Derivative Liabilities, Noncurrent
Derivative Liability, Noncurrent
Accumulated other comprehensive loss
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation
Recognized net gain (loss) due to curtailments
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments
Recognized net gain (loss) due to curtailments, sick leave subsidy
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments, Sick Leave Subsidy
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments, Sick Leave Subsidy
Recognized net gain (loss) due to curtailments, special items
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments, Special Items
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments, Special Items
Postretirement Health Coverage [Member]
Postretirement Health Coverage [Member]
Total liability net of a prefunded trust account
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent
Prefunded trust account
Prefunded Trust Account
Prefunded Trust Account
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangement by Share-based Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Equity Award [Domain]
Employee stock purchase plan [Member]
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
U.S. government and agency securities
US Treasury and Government [Member]
Foreign government bonds
Foreign Government Debt Securities [Member]
Asset-backed securities
Asset-backed Securities, Securitized Loans and Receivables [Member]
Mortgage-backed securities
Collateralized Mortgage Backed Securities [Member]
Corporate notes and bonds
Corporate Debt Securities [Member]
Municipal securities
US States and Political Subdivisions Debt Securities [Member]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value by Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Current
Available-for-sale Securities, Current
Marketable securities
Available-for-sale Securities
Derivative instruments, assets
Derivative Asset
Derivative instruments, liabilities
Derivative Liability
Travel credits for future travel
Travel credits for future travel
Travel credits for future travel
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Major Types of Debt and Equity Securities [Domain]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Cash and Cash Equivalents [Abstract]
Cash
Cash
Money Market Funds, at Carrying Value
Money Market Funds, at Carrying Value
Cash equivalents
Cash Equivalents, at Carrying Value
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Available-for-sale Securities, Current [Abstract]
Marketable securities, Cost Basis
Available-for-sale Securities, Amortized Cost Basis
Marketable securities, Unrealized Gains
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
Marketable securities, Unrealized Losses
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Marketable securities, Fair Value
Cash and marketables securities, Cost Basis
Total Cash And Marketable Securities, Amortized Cost Basis
Total Cash And Marketable Securities, Amortized Cost Basis
Cash and marketable securities, Unrealized Gains
Cash and Available for Sale Securities Accumulated Gross Unrealized Gain Before Tax
Cash and Available for Sale Securities Accumulated Gross Unrealized Gain Before Tax
Cash and marketable securities, Unrealized Losses
Cash and Available for Sale Securities Accumulated Gross Unrealized Loss Before Tax
Cash and Available for Sale Securities Accumulated Gross Unrealized Loss Before Tax
Total cash and marketable securities
Cash, Cash Equivalents, and Short-term Investments
Available-for-sale Securities, Activity [Abstract]
Available-for-sale Securities, Activity [Abstract]
Proceeds from sales and maturities
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds
Gross realized gains
Available-for-sale Securities, Gross Realized Gains
Gross realized losses
Available-for-sale Securities, Gross Realized Losses
Treasury Stock, Shares
Treasury Stock, Shares
Statement of Cash Flows [Abstract]
Statement [Table]
Statement [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net Income
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Stock-based compensation and other
Share-based Compensation
Changes in certain assets and liabilities:
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Changes in deferred tax provision
Increase (Decrease) in Deferred Income Taxes
(Increase) decrease in accounts receivable
Increase (Decrease) in Accounts Receivable
Increase (decrease) in air traffic liability
Increase (Decrease) in Air Traffic Liability
Increase (decrease) in deferred revenue
Increase (Decrease) in Deferred Revenue
Changes in pension and other postretirement benefits
Increase (Decrease) in Pension Plan Obligations
Other—net
Other Operating Activities, Cash Flow Statement
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Property and equipment additions:
Payments to Acquire Productive Assets [Abstract]
Aircraft and aircraft purchase deposits
Payments for Flight Equipment
Other flight equipment
Payments to Acquire Other Productive Assets
Other property and equipment
Payments to Acquire Other Property, Plant, and Equipment
Total property and equipment additions
Acquisition of Virgin America, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Sales and maturities of marketable securities
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from disposition of assets and changes in restricted deposits
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Long-term debt payments
Common stock repurchases
Payments for Repurchase of Common Stock
Cash dividend paid
Payments of Dividends
Other financing activities
Proceeds from (Payments for) Other Financing Activities
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Net increase (decrease) in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
Supplemental disclosure:
Supplemental Cash Flow Information [Abstract]
Cash paid during the year for:
Caid Paid Refunded [Abstract]
Caid Paid Refunded [Abstract]
Interest, net of amount capitalized
Interest Paid, Net
Income taxes, net of refunds received
Income Taxes Paid, Net
Organization and Basis of Accounting, Policy [Policy Text Block]
Basis of Accounting, Policy [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]
Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]
Receivables, Policy [Policy Text Block]
Receivables, Policy [Policy Text Block]
Inventory, Policy [Policy Text Block]
Inventory, Policy [Policy Text Block]
Property, Plant and Equipment, Policy [Policy Text Block]
Property, Plant and Equipment, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Intangible Assets
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
Internal Use Software, Policy [Policy Text Block]
Internal Use Software, Policy [Policy Text Block]
Revenue Recognition, Deferred Revenue [Policy Text Block]
Revenue Recognition, Deferred Revenue [Policy Text Block]
Lease, Policy [Policy Text Block]
Lease, Policy [Policy Text Block]
Leased Aircraft Return Costs [Policy Text Block]
Leased Aircraft Return Costs [Policy Text Block]
Leased Aircraft Return Costs [Policy Text Block]
Revenue Recognition, Policy [Policy Text Block]
Revenue Recognition, Policy [Policy Text Block]
Frequent Flier Program, Policy [Policy Text Block]
Frequent Flier Program, Policy [Policy Text Block]
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]
Derivatives, Policy [Policy Text Block]
Derivatives, Policy [Policy Text Block]
Fair Value of Financial Instruments, Policy [Policy Text Block]
Fair Value of Financial Instruments, Policy [Policy Text Block]
Income Tax, Policy [Policy Text Block]
Income Tax, Policy [Policy Text Block]
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Earnings Per Share, Policy [Policy Text Block]
Earnings Per Share, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Credit Facilities 1 and 2 [Member]
Credit Facilities 1 and 2 [Member]
Credit Facilities 1 and 2 [Member]
Credit Facility 1 [Member]
Credit Facility 1 [Member]
Credit Facility 1 [Member]
Credit Facility 2 [Member]
Credit Facility 2 [Member]
Credit Facility 2 [Member]
Credit Facility 3 [Member]
Credit Facility 3 [Member]
Credit Facility 3 [Member]
Line of Credit Facility [Axis]
Lender Name [Axis]
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Lender [Domain]
Secured by aircraft [Member]
Secured by aircraft [Member]
Secured by aircraft [Member]
Secured by other [Member]
Secured by other [Member]
Secured by other [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Line of credit facility, borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Number of credit facilities
Line of Credit Facility, Number of Credit Facilities
Line of Credit Facility, Number of Credit Facilities
Number of aircrafts used as collateral
Long-term Debt, Number of Collateral
Long-term Debt, Number of Collateral
Number of credit facilities, no borrowing
Line of Credit Facility, Number of Credit Facilities, No Borrowing
Line of Credit Facility, Number of Credit Facilities, No Borrowing
Line of credit facility, asset restrictions, unrestricted cash and marketable securities
Line of Credit Facility, Asset Restrictions, Unrestricted Cash and Marketable Securities
Line of Credit Facility, Asset Restrictions, Unrestricted Cash and Marketable Securities
CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - MATURITIES [Abstract]
CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - MATURITIES [Abstract]
Schedule of Debt Investment Maturities [Table]
Schedule of Debt Investment Maturities [Table]
Schedule of Debt Investment Maturities
Schedule of Debt Investment Maturities [Line Items]
Schedule of Debt Investment Maturities [Line Items]
[Line Items] for Schedule of Debt Investment Maturities
Cost Basis [Abstract]
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract]
Due in one year or less
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis
Due after one year through five years
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis
Due after five years through 10 years
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis
Due after 10 years
Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis
Fair Value [Abstract]
Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract]
Due in one year or less
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value
Due after one year through five years
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value
Due after five years through 10 years
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value
Due after 10 years
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value
Marketable securities, Fair Value
Pension and Other Postretirement Defined Benefit Plans, Liabilities [Abstract]
Accrued benefit liability-long term
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent
Plan assets-long term (within Other noncurrent assets)
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent
Total liability recognized
Pension and Other Postretirement Defined Benefit Plans, Liabilities
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Prior service credit
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax
Net loss
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax
Amount recognized in AOCL (pretax)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax
Settlement expense (special item)
Number of defined benefit plans
Number of Defined Benefit Plans
Number of Defined Benefit Plans
Number of defined contribution plans
Number of Defined Contribution Plans
Number of Defined Contribution Plans
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit obligations, Weighted-average discount rate
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Benefit obligations, Rate of compensation increase
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Net period benefit costs, Weighted-average discount rate
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Net period benefit costs, Weighted-average expected return on assets
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets
Net period benefit costs, Rate of compensation increase
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase
Statement of Stockholders' Equity [Abstract]
Common Stock
Common Stock [Member]
Capital in Excess of Par Value
Additional Paid-in Capital [Member]
Treasury Stock, at Cost
Treasury Stock [Member]
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Retained Earnings
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity
Stockholders' Equity Attributable to Parent
Common Stock Outstanding
Common Stock, Shares, Outstanding
Other comprehensive loss
Other Comprehensive Income (Loss), Net of Tax
Common stock repurchase (in shares)
Common stock repurchase
Stock-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Cash dividend declared
Dividends, Cash
Stock issued for employee stock purchase plan (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Stock issued for employee stock purchase plan
Stock Issued During Period, Value, Employee Stock Purchase Plan
Stock issued under stock plans (in shares)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Stock issued under stock plans
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Stockholders' Equity
Common Stock Outstanding
Advertising expense
Advertising Expense
Unrecorded Unconditional Purchase Obligation [Table]
Unrecorded Unconditional Purchase Obligation [Table]
Other Commitments [Axis]
Other Commitments [Axis]
Other Commitments [Domain]
Other Commitments [Domain]
Aircraft Maintenance Deposits [Member]
Aircraft Maintenance Deposits [Member]
Aircraft Maintenance Deposits [Member]
Aircraft Maintenance and Parts Management [Member]
Aircraft Maintenance and Parts Management [Member]
Aircraft Maintenance and Parts Management [Member]
Lease Arrangement, Type [Axis]
Lease Arrangement, Type [Axis]
Lease Arrangement, Type [Domain]
Lease Arrangement, Type [Domain]
Capacity Purchase Agreement with SkyWest [Member]
Capacity Purchase Agreement with SkyWest [Member]
Capacity Purchase Agreement with SkyWest [Member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Property Subject to or Available for Operating Lease [Axis]
Property Subject to or Available for Operating Lease [Axis]
Property Subject to or Available for Operating Lease [Domain]
Property Subject to or Available for Operating Lease [Domain]
Property Subject to Operating Lease [Member]
Property Subject to Operating Lease [Member]
Property Available for Operating Lease [Member]
Property Available for Operating Lease [Member]
B-737 [Member]
A-320-Neo [Member]
A-320-Neo [Member]
B737-900ER [Member]
B737-900ER [Member]
B737 MAX [Member]
B-737-Max [Member]
Q400 [Member]
Q400 [Member]
Q400 [Member]
Airbus [Member]
Airbus [Member]
Airbus [Member]
E-175 [Domain]
E-175 [Domain]
E-175 [Domain]
E175 [Member]
E175 [Member]
E175 [Member]
A321neo [Member]
A321neo [Member]
A321neo [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Aircraft Leases [Member]
Aircraft [Member]
Aircraft [Member]
Facility Leases [Member]
Building [Member]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Aircraft Commitments [Member]
Capital Addition Purchase Commitments [Member]
Capacity Purchase Agreements[Member]
Capacity [Member]
Legal Entity [Axis]
Entity [Domain]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded Unconditional Purchase Obligation [Line Items]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2018
Operating Leases, Future Minimum Payments, Due in Two Years
2019
Operating Leases, Future Minimum Payments, Due in Three Years
2020
Operating Leases, Future Minimum Payments, Due in Four Years
2021
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total
Operating Leases, Future Minimum Payments Due
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]
2017
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months
2018
Unrecorded Unconditional Purchase Obligation, Due within Two Years
2019
Unrecorded Unconditional Purchase Obligation, Due within Three Years
2020
Unrecorded Unconditional Purchase Obligation, Due within Four Years
2021
Unrecorded Unconditional Purchase Obligation, Due within Five Years
Thereafter
Unrecorded Unconditional Purchase Obligation, Due after Five Years
Total
Unrecorded Unconditional Purchase Obligation
Other Commitment, Due after Fifth Year
Other Commitment, Due after Fifth Year
Other Commitment, Due in Fifth Year
Other Commitment, Due in Fifth Year
Other Commitment, Due in Fourth Year
Other Commitment, Due in Fourth Year
Other Commitment, Due in Third Year
Other Commitment, Due in Third Year
Other Commitment, Due in Second Year
Other Commitment, Due in Second Year
Other Commitment, Due in Next Twelve Months
Other Commitment, Due in Next Twelve Months
Operating leases, number of leased assets (in aircraft)
Property Subject to or Available for Operating Lease, Number of Units
Property Subject to or Available for Operating Lease, Number of Optional Additional Units
Property Subject to or Available for Operating Lease, Number of Optional Additional Units
Property Subject to or Available for Operating Lease, Number of Optional Additional Units
Rent expense
Operating Leases, Rent Expense
Commited to purchase (in aircraft)
Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required
Option to purchase additional (in aircraft)
Unrecorded Unconditional Purchase Obligation, Option to Purchase Additional
Unrecorded Unconditional Purchase Obligation, Option to Purchase Additional
Capacity purchase arrangements, Carriers
Airline, Capacity Purchase Arrangements, Carriers
Airline, Capacity Purchase Arrangements, Carriers
Capacity purchase arrangements, Percent
Airline, Capacity Purchase Arrangements, Percent
Airline, Capacity Purchase Arrangements, Percent
Other Commitment
Other Commitment
2017
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months
2018
Defined Benefit Plan, Expected Future Benefit Payments, Year Two
2019
Defined Benefit Plan, Expected Future Benefit Payments, Year Three
2020
Defined Benefit Plan, Expected Future Benefit Payments, Year Four
2021
Defined Benefit Plan, Expected Future Benefit Payments, Year Five
2022– 2026
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter
INCOME TAXES
Income Tax Disclosure [Text Block]
Schedule of Assumptions Used [Table Text Block]
Schedule of Assumptions Used [Table Text Block]
Schedule of Allocation of Plan Assets [Table Text Block]
Schedule of Allocation of Plan Assets [Table Text Block]
Schedule of Net Funded Status [Table Text Block]
Schedule of Net Funded Status [Table Text Block]
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Expected Benefit Payments [Table Text Block]
Schedule of Expected Benefit Payments [Table Text Block]
Prior service credit
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)
Net loss
Defined Benefit Plan, Future Amortization of Gain (Loss)
Variable incentive pay
Other Labor-related Expenses
Operational Performance Rewards Program entitles all Air Group employees to maximum quarterly payouts (in dollars per quarter)
Quarterly Payout to Employee, Under Employee Incentive Plan, Maximum
Quarterly Payout to Employee, Under Employee Incentive Plan, Maximum
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Cash dividend declared per share
Common Stock, Dividends, Per Share, Declared
Cash dividend paid
Dividend increase
Dividend Increase
Dividend Increase
U.S. federal tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Income before income tax
Expected tax expense
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Nondeductible expenses
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
State income taxes
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
State income sourcing
Effective Income Tax Rate Reconciliation, State and Local Income Sourcing, Amount
Effective Income Tax Rate Reconciliation, State and Local Income Sourcing, Amount
Other—net
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Special tax expense (benefit)
Special Tax Expense (Benefit)
Special Tax Expense (Benefit)
Additions based on tax positions and settlements related to the current year
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Total expense for the defined-contribution plans
Defined Contribution Plan, Cost Recognized
Statement of Financial Position [Abstract]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
ASSETS
Assets [Abstract]
Current Assets
Assets, Current [Abstract]
Cash and cash equivalents
Marketable securities
Marketable Securities, Current
Receivables—less allowance for doubtful accounts of $1 and $1
Receivables, Net, Current
Inventories and supplies—net
Inventory, Net
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total Current Assets
Assets, Current
Property and Equipment
Property, Plant and Equipment, Net [Abstract]
Aircraft and other flight equipment
Flight Equipment, Gross
Other property and equipment
Property, Plant and Equipment, Other, Gross
Deposits for future flight equipment
Deposits on Flight Equipment
Property and Equipment
Property, Plant and Equipment, Gross
Less accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Total Property and Equipment—Net
Property, Plant and Equipment, Net
Other Assets [Abstract]
Other Assets [Abstract]
Goodwill
Goodwill
Intangible assets
Intangible Assets, Net (Excluding Goodwill)
Other noncurrent assets
Other Assets, Noncurrent
Total Other Assets
Other Assets
Total Assets
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities and Equity [Abstract]
Current Liabilities
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued wages, vacation and payroll taxes
Employee-related Liabilities, Current
Air traffic liability
Deferred Air Traffic Revenue, Current
Current portion of long-term debt
Debt, Current
Total Current Liabilities
Liabilities, Current
Long-Term Debt, Net of Current Portion
Other Liabilities and Credits
Liabilities, Noncurrent [Abstract]
Deferred income taxes
Deferred Tax Liabilities, Net, Noncurrent
Obligation for pension and postretirement medical benefits
Other Liabilities and Credits Totals
Liabilities, Other than Long-term Debt, Noncurrent
Commitments and Contingencies
Commitments and Contingencies
Shareholders' Equity
Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, $0.01 par value, Authorized: 5,000,000 shares, none issued or outstanding
Preferred Stock, Value, Issued
Common stock, $0.01 par value, Authorized: 200,000,000 shares, Issued: 2016 - 129,189,634 shares; 2015 - 128,442,099 shares, Outstanding: 2016 - 123,328,051 shares; 2015 - 125,175,325 shares
Common Stock, Value, Issued
Capital in excess of par value
Additional Paid in Capital, Common Stock
Treasury stock (common), at cost: 2016 - 5,861,583 shares; 2015 - 3,266,774 shares
Treasury Stock, Value
Accumulated other comprehensive loss
Retained earnings
Retained Earnings (Accumulated Deficit)
Shareholders' Equity Total
Total Liabilities and Shareholders' Equity
Liabilities and Equity
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Tax [Abstract]
Related to marketable securities:
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract]
Unrealized holding gains (losses) arising during the period
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Reclassification of (gains) losses into Other-net nonoperating income (expense)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Income tax benefit (expense)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax
Marketable securities, net of tax
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Related to employee benefit plans:
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract]
Actuarial gains (losses) related to pension and other postretirement benefit plans
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax
Reclassification of net pension expense into Wages and benefits
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax
Income tax benefit (expense)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
Total
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Related to interest rate derivative instruments:
Derivative Instruments and Hedges, Assets [Abstract]
Unrealized holding gains (losses) arising during the period
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
Reclassification of losses into Aircraft rent
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
Income tax benefit (expense)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
Interest rate derivative instruments, net of tax
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
Other comprehensive loss
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Summary of Income Tax Contingencies [Table Text Block]
Summary of Income Tax Contingencies [Table Text Block]
Negative cash balance
Bank Overdrafts
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Change in Accounting Estimate by Type [Axis]
Change in Accounting Estimate by Type [Axis]
Change in Accounting Estimate, Type [Domain]
Change in Accounting Estimate, Type [Domain]
Service Life [Member]
Service Life [Member]
B737
Property, Plant and Equipment by Type [Axis]
Property, Plant and Equipment, Type [Domain]
Aircraft [Member]
Buildings [Member]
Minor building and land improvements [Member]
Minor Building and Land Improvements [Member]
Minor Building and Land Improvements [Member]
Computer hardware and software [Member]
Technology Equipment [Member]
Other furniture and equipment [Member]
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Estimated useful life
Property, Plant and Equipment, Useful Life
Depreciation, decrease
Depreciation
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Special Charges [Member]
Pension Plan [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Special Item, net of tax
Special Item, net of tax
Special Item, net of tax
Gain related to litigation settlement
Gain (Loss) Related to Litigation Settlement
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Document Information [Table]
Document Information [Table]
Legal Entity [Axis]
Entity [Domain]
Entity Information [Line Items]
Entity Information [Line Items]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Document Period End Date
Document Period End Date
Schedule of Long-term Debt Instruments [Table Text Block]
Schedule of Long-term Debt Instruments [Table Text Block]
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule of Maturities of Long-term Debt [Table Text Block]
Allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Stockholders' Equity:
Stockholders' Equity Attributable to Parent [Abstract]
Preferred Stock, par value
Preferred Stock, Par or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock, Shares Authorized
Preferred stock, shares issued
Preferred Stock, Shares Issued
Preferred stock, shares outstanding
Preferred Stock, Shares Outstanding
Common stock, shares issued
Common Stock, Shares, Issued
Common Stock, Shares, Outstanding
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Airport Slots [Member]
Airport Slots [Member]
Airport Slots [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Airport Gates [Member]
Airport Gates [Member]
Airport Gates [Member]
Customer Relationships [Member]
Customer Relationships [Member]
Percentage of interests acquired
Business Acquisition, Percentage of Voting Interests Acquired
Number of Daily Departures
Number of Daily Departures
Number of Daily Departures
Revenue
Repayments of related party debt
Repayments of Related Party Debt
Intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Indefinite-lived intangible assets acquired
Indefinite-lived Intangible Assets Acquired
Finite-lived intangible assets acquired
Finite-lived Intangible Assets Acquired
Finite-Lived intangible asset, useful Life
Finite-Lived Intangible Asset, Useful Life
Beginning balance
Unrecognized Tax Benefits
Additions from acquisitions
Unrecognized Tax Benefits, Increase Resulting from Acquisition
Ending balance
Stock options [Member]
Employee Stock Option [Member]
Stock awards [Member]
Restricted Stock [Member]
Deferred stock awards [Member]
Deferred Stock Awards [Member]
Deferred Stock Awards [Member]
Stock-based compensation
Allocated Share-based Compensation Expense
Tax benefit related to stock-based compensation
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Unrecognized stock-based compensation for non-vested options and awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Unrecognized stock-based compensation awards weighted-average period
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Shares authorized under stock-based compensation plans (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Shares remaining available for future grants (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected term
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Weighted-average grant date fair value per share (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Estimated fair value of options granted (millions)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Estimated Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Estimated Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in Shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Canceled (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Canceled
Share-based Compensation Arrangement by Share-based Payment Award, Options, Canceled
Forfeited or expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period
Outstanding, ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding, beginning balance, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Canceled, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Canceled in Period, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Canceled in Period, Weighted Average Exercise Price
Fofeited or expired, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Outstanding, ending balance, Weighted-Average Exercise Price Per Share (in dollars per share)
Outstanding, Weighted-Average Contractual Life
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Exercisable, Outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Exercisable, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Exercisable, Weighted-Average Contractual Life
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercisable, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Vested or expected to vest, Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Vested or expected to vest, Weighted-Average Exercise Price Per Share (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Vested or expected to vest, Weighted-Average Contractual Life
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Vested or expected to vest, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Intrinsic value of option exercises
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Cash received from stock option exercises
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options
Tax benefit related to stock option exercises
Deferred Tax Expense from Stock Options Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested, beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Non-vested, ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Non-vested, beginning balance, Weighted-Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Granted, Weighted-Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Vested, Weighted-Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Forfeited, Weighted-Average Grant Date Fair Value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Non-vested, ending balance, Weighted-Average Price Per Share (in dollars per share)
Non-vested, Weighted-Average Contractual Life
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms
Non-vested, Total Instrinsic Value (in dollars)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Total Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Total Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Cash and cash equivalents
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Receivables
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Prepaid expenses and other current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets
Property and equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Total assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill
Accounts payable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable
Accrued wages, vacation and payroll taxes
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Accrued Wages, Vacation and Payroll Taxes
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Accrued Wages, Vacation and Payroll Taxes
Air traffic liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Air Traffic Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Air Traffic Liabilities
Other accrued liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other
Current portion of long-term debt
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt
Long-term debt, net of current portion
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt
Deferred income taxes
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets
Deferred revenue
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Deferred Revenue
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Deferred Revenue
Other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Total liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Total purchase price
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Income Statement [Abstract]
Operating Revenues
Passenger, Mainline
Passenger, Regional
Total passenger revenue
Other—net
Operating Expenses
Wages and benefits
Labor and Related Expense
Aircraft fuel, including hedging gains and losses
Aircraft maintenance
Aircraft Maintenance, Materials, and Repairs
Aircraft rent
Aircraft Rental
Landing fees and other rentals
Landing Fees and Other Rentals
Contracted services
Professional and Contract Services Expense
Selling expenses
Selling Expense
Food and beverage service
Food and Beverage, Cost of Sales
Third-party regional carrier expense
Regional Carrier Expense
Regional Carrier Expense
Third-party regional carrier expense
Other Cost and Expense, Operating
Operating Income
Operating Income (Loss)
Interest capitalized
Interest Costs Capitalized Adjustment
Other—net
Other Nonoperating Income (Expense)
Income tax expense
Net Income
Basic Earnings Per Share:
Earnings Per Share, Basic
Diluted Earnings Per Share:
Earnings Per Share, Diluted
Shares used for computation:
Earnings Per Share [Abstract]
Basic
Weighted Average Number of Shares Outstanding, Basic
Diluted
Weighted Average Number of Shares Outstanding, Diluted
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Carrying Amount [Member]
Reported Value Measurement [Member]
Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt
Notes Payable, Fair Value Disclosure