Inactive period before expiration of mileage credits (in months) Inactive Period Before Expiration Of Mileage Credits Inactive Period Before Expiration Of Mileage Credits Accumulated amortization of intangibles Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Cargo Cargo and Freight [Member] Airline Expenses [Abstract] Airline Expenses [Abstract] Other nonoperating special items, net Other Nonoperating Special Items, Net Other Nonoperating Special Items, Net Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Restricted cash included in restricted cash and short-term investments Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Tax Republic Airways Holdings Inc. Republic Airline Inc [Member] Republic Airline Inc [Member] Senior Unsecured Short Term Loan Facility Senior Unsecured Short Term Loan Facility [Member] Senior Unsecured Short Term Loan Facility Basic and diluted EPS: Earnings Per Share, Basic [Abstract] Net payments on fuel financing Net Proceeds (Payments) From Short-Term Loans and Notes Payable Net Proceeds (Payments) From Short-Term Loans and Notes Payable Loyalty revenue - marketing services Loyalty Program, Marketing Services [Member] Loyalty Program, Marketing Services [Member] Purchases of short-term investments Payments to Acquire Short-Term Investments Schedule of Net Receivables (Payables) to Related Parties Schedule of Related Party Transactions [Table Text Block] SOFR Secured Overnight Financing Rate (SOFR) [Member] Settlement of warrants Adjustments To Additional Paid In Capital, Warrant Settlement Adjustments To Additional Paid In Capital, Warrant Settlement Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Schedule of Revolving Credit and Other Facilities Schedule of Line of Credit Facilities [Table Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Recognition Revenue from Contract with Customer [Text Block] Regional expenses Airline, Capacity Purchase Arrangements Short-term debt Short-Term Debt Other assets Other Assets, Miscellaneous, Noncurrent Operating special items, net Restructuring And Other, Net Restructuring And Other, Net Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Benefits Pension Plan [Member] Less: Total unamortized debt discount, premium and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity (deficit) Beginning balance Ending balance Equity, Attributable to Parent Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized PSP2 Warrants Payroll Support Program Two Warrants, CARES Act [Member] Payroll Support Program Two Warrants, CARES Act Current assets Assets, Current [Abstract] Total liabilities and stockholders’ equity (deficit) Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Pension, Retiree Medical and Other Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Private Party Antitrust Actions Related to the Northeast Alliance Private Party Antitrust Actions Related to the Northeast Alliance [Member] Private Party Antitrust Actions Related to the Northeast Alliance LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Cover [Abstract] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Operating property and equipment Property, Plant and Equipment, Net [Abstract] Loyalty program liability Loyalty Program [Member] Loyalty Program [Member] Payroll Support Program Promissory Note Two, CARES Act Payroll Support Program Promissory Note Two, CARES Act [Member] Payroll Support Program Promissory Note Two, CARES Act Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Aircraft fuel and related taxes Fuel Costs Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total Debt, Long-Term and Short-Term, Combined Amount Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to 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Equity [Abstract] Intercompany equity transfer Intercompany Equity Transfer Intercompany Equity Transfer Less: Current maturities Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Defined benefit plan, contributed amount Defined Benefit Plan, Plan Assets, Contributions by Employer Cash Cash Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Name Measure Name Letter of Credit Letter of Credit [Member] Secured Debt Secured Debt [Member] Operating lease liabilities Operating Lease, Liability, Current Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Document Fiscal Period Focus Document Fiscal Period Focus Unsecured Debt Unsecured Debt [Member] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type Award Type [Axis] Loyalty program liability Contract with Customer, Liability, Noncurrent AAG Parent Company [Member] Long-term debt, net of current maturities Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Investment, Name [Domain] Investment, Name [Domain] Special Facility Revenue Bonds Special Facility Revenue Bonds [Member] Special Facility Revenue Bonds [Member] Trading Symbol Trading Symbol Long-Term And Short-Term Debt, Type [Domain] Long-Term And Short-Term Debt, Type [Domain] Long-Term And Short-Term Debt, Type [Domain] Other rent and landing fees Landing Fees and Other Rentals Issuance of shares of AAG common stock pursuant to employee stock plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity 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method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Tax AOCI Tax, Attributable to Parent [Roll Forward] AOCI Tax, Attributable to Parent [Roll Forward] Long-term investments Long Term Investments, Fair Value Disclosure Long Term Investments, Fair Value Disclosure Total Related Party [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Document Information [Table] Document Information [Table] PEO PEO [Member] Schedule of Revenue Disaggregation of Revenue [Table Text Block] Interest income Investment Income, Interest Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Retained Deficit Retained Earnings [Member] Prepaid expenses and other Prepaid Expense and Other 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amortization of $850 and $848, respectively Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Amortization of: Defined Benefit Plan, Amortization [Abstract] Defined Benefit Plan, Amortization [Abstract] Equipment Loans and Other Notes Payable Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Special Items, Net Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Investments Investment [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Litigation reserve adjustments Gain (Loss) from Litigation Settlement Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Amount drawn Proceeds from Long-Term Lines of Credit Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Schedule of Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Loyalty revenue - travel Loyalty Program, Travel Redemptions [Member] Loyalty Program, Travel Redemptions [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Prepayment of short-term term loan facility Repayments of Short-Term Debt Related Party Transactions [Abstract] Related Party Transactions [Abstract] Finance leases converted to operating leases Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Carrying value, fair value method investments Equity Securities, FV-NI Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Sales of short-term investments Proceeds from Sale of Short-Term Investments PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market funds Money Market Funds [Member] Equity Components [Axis] Equity Components [Axis] Flight equipment Flight Equipment, Gross Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Supplemental information: Supplemental Cash Flow Information [Abstract] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] American Airlines, Inc. American Airlines, Inc. [Member] American Airlines, Inc. 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Restricted Cash and Investments, Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 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] Current maturities of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Class of Warrant or Right [Table] Class of Warrant or Right [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Payroll Support Program Promissory Note Three, CARES Act Payroll Support Program Promissory Note Three, CARES Act [Member] Payroll Support Program Promissory Note Three, CARES Act Ownership [Domain] Ownership [Domain] Schedule of Net Periodic Benefit Cost (Income) Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Before tax AOCI Before Tax, Attributable To Parent [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] Beginning balance, before tax Ending balance, before tax AOCI before Tax, Attributable to Parent 5.75% Senior Notes Senior Note 5.75% Matures 2029 [Member] Senior Note 5.75% Matures 2029 Deferred tax asset Deferred Income Tax Assets, Net Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Capital expenditures and aircraft purchase deposits Payments to Acquire Productive Assets Total other assets Total other assets Other Assets, Noncurrent 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share) Class of Warrant or Right, Exercise Price of Warrants or Rights Deferral of revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class Of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other investing activities Payment for (Proceeds from) Other Investing Activity ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Revenue recognition term (in months) Revenue, Performance Obligation, Payment Term Revenue, Performance Obligation, Payment Term Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Employee Benefit Plans Retirement Benefits [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Bank notes/certificates of deposit/time deposits Bank Time Deposits [Member] Credit Facility [Domain] Credit Facility [Domain] Stockholder’s equity Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Aircraft fuel, spare parts and supplies, net Airline Related Inventory, Net Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Airline Destination [Table] Airline Destination [Table] Interest rate Debt Instrument, Interest Rate, Stated Percentage Operating lease liabilities Operating Lease, Liability, Noncurrent Ownership [Axis] Ownership [Axis] Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) AAG's wholly-owned subsidiaries Subsidiary of Common Parent [Member] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic benefit cost (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] NOL carryforwards Operating Loss Carryforwards Cargo Receivable Facility Cargo Receivable Facility [Member] Cargo Receivable Facility 2025-1 Aircraft EETC Equipment Notes Schedule of Long-Term Debt Instruments [Table Text Block] Salaries, wages and benefits Labor and Related Expense Total operating expenses Costs and Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Total Assets, Fair Value Disclosure Long-term debt, fair value Long-term debt, including current maturities Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Pacific Pacific Destination [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Schedule of Debt Schedule of Debt [Table Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Interest cost Defined Benefit Plan, Interest Cost Total Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Nonoperating special items, net Non-Operating Special Items, Net Nonoperating net expenses (credits) recognized in the period that are infrequent in occurrence or unusual in nature. Restatement Determination Date: Restatement Determination Date [Axis] Operating loss carryforwards and other carryforwards, subject to expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Latin America Latin America Destination [Member] Non-PEO NEO Non-PEO NEO [Member] Schedule of Special Items, Net in Condensed Consolidated Statements of Operations Restructuring and Related Costs [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Special items, net Restructuring And Other Expense (Income), Mainline Restructuring And Other Expense (Income), Mainline Other financing activities Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Aggregate principal amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Recognition of revenue Recognition of revenue Contract with Customer, Liability, Revenue Recognized Retirement Plan Type [Domain] Retirement Plan Type [Domain] Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Number of aircraft delivered or to be delivered Debt Instrument, Number Of Aircraft Delivered Or To Be Delivered Debt Instrument, Number Of Aircraft Delivered Or To Be Delivered Airline Destinations [Axis] Airline Destination [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Ownership interest, fair value method investments Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Labor contract expenses Other Labor-related Expenses Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Expirations in the period (in shares) Class Of Warrant Or Right, Expired In The Period Class Of Warrant Or Right, Expired In The Period Operating revenues: Revenues [Abstract] Share-based compensation expense APIC, 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available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Regional operating special items, net Regional Carrier [Member] Minimum Minimum [Member] Warrants Issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Unrealized Loss on Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Company Selected Measure Name Company Selected Measure Name Mainline operating special items, net Mainline [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] 6.50% Senior Notes Senior Notes 6.50% Due 2025 [Member] Senior Notes 6.50% Due 2025 Senior Notes Senior Notes [Member] Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable AAG’s 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of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Amounts reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Average interest rate Debt, Weighted Average Interest Rate Receivables from related parties, net Total Other Receivables, Net, Current Atlantic Atlantic Destination [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Supplemental contributions Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer Defined Benefit Plan, Plan Assets, Supplemental Contributions By Employer Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] 7.25% Senior Notes 7.25% Senior Secured Notes Due 2028 [Member] 7.25% Senior Secured Notes Due 2028 Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] 5.50% Senior Notes Senior Note 5.50% Matures 2026 [Member] Senior Note 5.50% Matures 2026 Current liabilities Liabilities, Current [Abstract] Total other comprehensive income, net of tax Other comprehensive income (loss), net Other comprehensive income, net Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Beginning balance, tax Ending balance, tax AOCI Tax, Attributable to Parent China Southern Airlines China Southern Airlines Company Limited [Member] China Southern Airlines [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Pension, retiree medical and other postretirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Level 1 Fair Value, Inputs, Level 1 [Member] Other facilities Short-term Revolving And Other Facilities [Member] Short-term Revolving And Other Facilities PSP3 Warrants Payroll Support Program Three Warrants, CARES Act [Member] Payroll Support Program Three Warrants, CARES Act Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Diluted (in dollars per share) Diluted EPS (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Title of 12(b) Security Title of 12(b) Security Non-cash transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Net of tax AOCI Attributable to Parent, Net of Tax [Roll Forward] Loss per common share: Earnings Per Share [Abstract] Total nonoperating expense, net Nonoperating other expense, net Nonoperating Income (Expense) Investments, Debt and Equity Securities [Abstract] Exercises in period (in shares) Class Of Warrant Or Right, Exercises In Period Class Of Warrant Or Right, Exercises In Period Contract term (in years) Revenue, Performance Obligation, Term Revenue, Performance Obligation, Term Schedule of Anti-Dilutive Securities Excluded From Calculation of Diluted EPS Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Short-term investments Debt Securities, Available-for-Sale, Current Federal Domestic Tax Jurisdiction [Member] Air traffic liability Air Traffic [Member] Air Traffic [Member] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Other carryforwards Other Carryforwards Other Carryforwards Passenger travel Passenger Travel [Member] Passenger Travel [Member] Award Timing Disclosures [Line Items] Number of private party plaintiffs who filed putative class action Number Of Private Party Plaintiffs Who Filed Putative Class Action Number Of Private Party Plaintiffs Who Filed Putative Class Action Floor interest rate Debt Instrument, Basis Spread On Variable Rate, Floor Interest Rate Debt Instrument, Basis Spread On Variable Rate, Floor Interest Rate Service cost Defined Benefit Plan, Service Cost Long-term debt Long-Term Debt, Gross Accrued salaries and wages Employee-related Liabilities, Current Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization 2025-1 Aircraft EETCs, Series A 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A [Member] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series A Net loss Net loss Total reclassifications for the period, net of tax Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Noncurrent liabilities Liabilities, Noncurrent [Abstract] Other accrued liabilities Other Accrued Liabilities, Current Mark-to-market adjustments on equity investments, net Equity Securities, FV-NI, Unrealized Gain (Loss) Investments Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Payments on long-term debt and finance leases Repayments of Debt and Lease Obligation Number of additional putative class action lawsuits Number Of Additional Putative Class Action Lawsuits Number Of Additional Putative Class Action Lawsuits Adoption Date Trading Arrangement Adoption Date Base Rate Base Rate [Member] Airline Destination Disclosure [Line Items] Airline Destination Disclosure [Line Items] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") [Member] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs") Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Revenue from External Customers by Products and Services [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Operating loss Operating Income (Loss) Line of Credit Line of Credit [Member] 2025 AAdvantage Term Loan Facility 2025 AAdvantage Term Loan Facility [Member] 2025 AAdvantage Term Loan Facility Retained deficit Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Passenger Passenger [Member] Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other expense, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Regional Expenses Regional Operating Expenses [Text Block] Regional Operating Expenses [Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Regional Expenses [Table] Regional Expenses [Table] Regional Expenses [Table] Variable Rate [Domain] Variable Rate [Domain] Total Beginning balance Ending balance Contract with Customer, Liability Number of aircrafts financed Number of Aircraft Operated AAG Other Receivables, Gross, Current Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average shares outstanding (in thousands): Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Retiree Medical and Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Ground property and equipment Ground Property and Equipment, Gross The gross amount of long-lived, depreciable ground property and equipment. Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Restricted cash and short-term investments Restricted Cash and Cash Equivalents and Short-Term Investments, Fair Value Disclosure Restricted Cash and Cash Equivalents and Short-Term Investments, Fair Value Disclosure Schedule of PSP Warrants Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Schedule of Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Basic (in shares) Weighted average common shares outstanding (in thousands), basic (in shares) Weighted Average Number of Shares Outstanding, Basic Actuarial loss Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Schedule of Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Long-Term And Short-Term Debt, Type [Axis] Long-Term And Short-Term Debt, Type [Axis] Long-Term And Short-Term Debt, Type Schedule of Reclassifications out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Republic Airways Holdings, Inc. Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Variable interest rate Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Nonoperating income (expense): Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Decrease in restricted short-term investments Increase (Decrease) of Restricted Investments Operating expenses: Costs and Expenses [Abstract] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Tax Amounts reclassified from AOCI Reclassification from AOCI, Current Period, before Tax, Attributable to Parent 8.50% Senior Notes 8.50% Senior Secured Notes Due 2029 [Member] 8.50% Senior Secured Notes Due 2029 Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued 2025-1 Aircraft EETCs, Series B 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B [Member] 2025-1 Aircraft Enhanced Equipment Trust Certificate ("EETCs"), Series B 6.50% convertible senior notes Convertible Debt Securities [Member] Interest expense, net Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Aircraft rent Aircraft Rental Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name 2014 Revolving Facility Credit Facility 2014 [Member] Credit Facility 2014 [Member] Equity Securities Equity Securities [Member] Debt refinancing and extinguishment Debt Refinancing, Debt Extinguishment And Other Expense, Net Debt Refinancing, Debt Extinguishment And Other Expense, Net Payroll Support Program Promissory Note One, CARES Act Payroll Support Program Promissory Note One, CARES Act [Member] Payroll Support Program Promissory Note One, CARES Act Total noncurrent liabilities Liabilities, Noncurrent Other Product and Service, Other [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Line of credit facility, aggregate commitments Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt instrument, basis spread on variable rate, interest rate margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Asset Class [Domain] Asset Class [Domain] Pension and postretirement benefits Liability, Defined Benefit Plan, Noncurrent Statement [Line Items] Statement [Line Items] Variable Rate [Axis] Variable Rate [Axis] 2021 AAdvantage Term Loan Facility 2021 AAdvantage Term Loan Facility [Member] 2021 AAdvantage Term Loan Facility Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] 2013 Revolving Facility Credit Facility 2013 [Member] Credit Facility 2013 Counterparty Name [Axis] Counterparty Name [Axis] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Common Stock, $0.01 par value per share Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Number of pass through trusts Debt Instrument, Number Of Pass-Through Trusts Debt Instrument, Number Of Pass-Through Trusts Non-NEOs Non-NEOs [Member] Corporate obligations Corporate Debt Securities [Member] Net increase (decrease) in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Other revenue Other Revenue [Member] Other Revenue [Member]