Document and Entity Information [Abstract] Document Type Document Quarterly Report Document Transition Report Document Period End Date Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address State Or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets: Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents Restricted Cash, Current Restricted Cash Short-term Investments Investments Accounts Receivable, after Allowance for Credit Loss, Current Accounts Receivable, net of an allowance for credit losses of $232 and $224, respectively Deposits Assets, Current Short-term Lessor Maintenance Deposits Inventory, Net Inventory, net of a reserve for obsolescence of $1,257 and $996, respectively Prepaid Expense, Current Prepaid Expenses Derivative Instruments and Hedges, Assets Derivative Assets Other Assets, Current Other Current Assets Assets, Current Total Current Assets Property, Plant and Equipment, Net [Abstract] Property & Equipment, net: Property, Plant and Equipment, Gross Property & Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation & Amortization Property, Plant and Equipment, Net Total Property & Equipment, net Other Assets [Abstract] Other Assets: Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Other Intangible Assets, net Operating Lease, Right-of-Use Asset Operating Lease Right-of-use Assets Amount of asset related to aircraft lease deposits. Aircraft Lease Deposits Aircraft Deposits Deposits Assets, Noncurrent Long-term Lessor Maintenance Deposits Deferred Income Tax Assets, Net Deferred Tax Asset Other Assets, Noncurrent Other Assets Sum of the carrying amounts as of the balance sheet date of all other assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Other Assets, Noncurrent, Total Total Other Assets Assets Total Assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current Liabilities: Accounts Payable, Current Accounts Payable Employee-related Liabilities, Current Accrued Salaries, Wages, and Benefits Accrual for Taxes Other than Income Taxes, Current Accrued Transportation Taxes The value of air transportation services sold but as yet unused by the passenger, including sales for air transportation to be provided by the reporting air carrier and air transportation to be provided by another air carrier for whom sales were made. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer). Air Traffic Liabilities, Current Air Traffic Liabilities Derivative Instruments and Hedges, Liabilities Derivative Liabilities Sum of the carrying values as of the balance sheet date of the over-market liabilities to be amortized within one year or the operating cycle if longer. Overmarket Liabilities, Current Over-market Liabilities Finance Lease, Liability, Current Finance Lease Obligations Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred within one year or the normal operating cycle, if longer, resulting from customer loyalty program. Loyalty Program Liabilities, Current Loyalty Program Liabilities Operating Lease, Liability, Current Operating Lease Obligations Long-term Debt, Current Maturities Less: Current Maturities of Long-term Debt Current Maturities of Long-term Debt Other Liabilities, Current Other Current Liabilities Liabilities, Current Total Current Liabilities Liabilities, Noncurrent [Abstract] Long-term Liabilities: Sum of the carrying values as of the balance sheet date of the over-market liabilities to be amortized after one year or the normal operating cycle, if longer. Overmarket Liabilities, Noncurrent Over-market Liabilities Finance Lease, Liability, Noncurrent Finance Lease Obligations Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred after one year or beyond the normal operating cycle, if longer, resulting from customer loyalty program. Loyalty Program Liabilities, Noncurrent Loyalty Program Liabilities Operating Lease, Liability, Noncurrent Operating Lease Obligations Long-term Debt, Excluding Current Maturities Long-term Debt Total Long-term Debt Sum of the carrying values as of the balance sheet date of the income tax receivable agreement due after one year or the normal operating cycle, if longer. Income Taxes Receivable Agreement, Noncurrent Income Tax Receivable Agreement Liability Income tax receivable agreement liability Other Liabilities, Noncurrent Other Long-term Liabilities Liabilities, Noncurrent Total Long-term Liabilities Liabilities Total Liabilities Commitments and Contingencies. Commitments and Contingencies Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity: Common Stock, Value, Issued Common stock with $0.01 par value, 995,000,000 shares authorized, 57,551,741 and 46,839,659 issued and outstanding at September 30, 2021 and December 31, 2020, respectively. Preferred Stock, Value, Issued Preferred stock with $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding at September 30, 2021 and December 31, 2020. Receivable from Shareholders or Affiliates for Issuance of Capital Stock Loans to Stockholders Additional Paid in Capital Additional Paid In Capital Retained Earnings (Accumulated Deficit) Retained Earnings Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Stockholders' Equity Liabilities and Equity Total Liabilities and Stockholders' Equity Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, allowance for credit losses Inventory Valuation Reserves Inventory, reserve for obsolescence Common Stock, Par or Stated Value Per Share Common stock-par value (in dollars per share) Common Stock, Shares Authorized Common stock-shares authorized Common Stock, Shares, Issued Common stock-shares issued Common Stock, Shares, Outstanding Common stock-shares outstanding Preferred Stock, Par or Stated Value Per Share Preferred stock-par value (in dollars 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 Income Statement [Abstract] Revenues [Abstract] Operating Revenues: Revenue from Contract with Customer, Excluding Assessed Tax Operating Revenues Operating Expenses [Abstract] Operating Expenses: Fuel Costs Aircraft Fuel Labor and Related Expense Salaries, Wages, and Benefits Aircraft Rental Aircraft Rent Aircraft Maintenance, Materials, and Repairs Maintenance expense Maintenance Selling and Marketing Expense Sales and Marketing Depreciation, Depletion and Amortization Depreciation and Amortization The amount of expenses incurred on ground handling for aircraft during the reporting period. Ground Handling Expense Ground Handling Landing Fees and Other Rentals Landing Fees and Airport Rent Unusual or Infrequent Item, or Both, Net (Gain) Loss Special Items, net Total Special Items, net Other Operating Income (Expense), Net Other Operating, net Costs and Expenses Total Operating Expenses Operating Income (Loss) Operating Income (Loss) Operating Income Nonoperating Income (Expense) [Abstract] Non-operating Income (Expense): Investment Income, Interest Interest Income Interest Expense Interest Expense Other Nonoperating Income (Expense) Other, net Nonoperating Income (Expense) Total Non-operating Income (Expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before Income Tax Income Tax Expense (Benefit) Income Tax Expense Net Income (Loss) Attributable to Parent Net Income Net Income Net Income Earnings Per Share, Basic and Diluted [Abstract] Net Income per share to common stockholders: Earnings Per Share, Basic Basic Basic earnings per share Earnings Per Share, Diluted Diluted Diluted earnings per share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Shares used for computation: Weighted Average Number of Shares Outstanding, Basic Weighted Average Common Shares Outstanding - Basic Basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted Average Common Shares Outstanding - Diluted CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Stockholder's Equity Stockholders' Equity Attributable to Parent Balances, at End of period Balances, at Beginning of period Shares, Outstanding Balances, at End of period (in shares) Balances, at Beginning of period (in shares) Equity impact of shares surrendered by the stockholder in exchange of promissory notes. Shares Surrendered By Stockholders, Value, In Exchange Of Promissory Notes Shares Surrendered by Stockholders Number of shares surrendered by the stockholders in exchange of promissory notes issued by the company. Shares Surrendered By Stockholders, Shares, In Exchange Of Promissory Notes Shares Surrendered by Stockholders (in shares) Stock Issued During Period, Value, New Issues Initial Public Offering Expense Adjustment Stock Issued During Period, Shares, New Issues Initial Public Offering Expense Adjustment (in shares) Shares issued Stock Issued During Period, Value, Stock Options Exercised Exercise of Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of Stock Options (in shares) Value of warrants exercised. Warrants Exercised, Value Exercise of Apollo Warrants Number of warrants exercised. Warrants Exercised Exercise of Apollo Warrants (in shares) The amount of decrease in equity on establishment of income tax receivable agreement liability. Decrease In Equity Due To Income Tax Receivable Agreement Liability Income Tax Receivable Agreement Adjustments to Additional Paid in Capital, Warrant Issued Amazon Warrants APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based Compensation CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Adjustments to reconcile Net Income to Cash from Operating Activities: The amount of tax receivable adjustment during reporting period. Tax Receivable Agreement Adjustment Tax Receivable Agreement Adjustment The amount of increase (decrease) in operating lease, right of use assets. Increase (Decrease) in Operating Lease, Right Of Use Assets Reduction in Operating Lease Right-of-use Assets Gain (Loss) on Disposition of Assets Non-Cash (Gain) Loss on Asset Transactions, net Unrealized Gain (Loss) on Derivatives Unrealized (Gain) Loss on Fuel Derivatives Amount of amortization expense attributable to maintenance reserve over-market liabilities. Amortization Of Maintenance Reserve Over Market Liabilities Amortization of Over-market Liabilities Deferred Income Tax Expense (Benefit) Deferred Income Taxes The amount of warrants vested during the period. Warrants Vested, Value Amazon Warrants Vested Share-based Payment Arrangement, Noncash Expense Stock-based Compensation Expense Amortization of Debt Issuance Costs Amortization of Debt Issuance Costs Increase (Decrease) in Operating Capital [Abstract] Changes in Operating Assets and Liabilities: Increase (Decrease) in Accounts Receivable Accounts Receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense Prepaid Expenses The increase (decrease) during the period in the amount of lessor maintenance deposits money paid in advance for goods or services that bring economic benefits for future periods. Increase (Decrease) in Lessor Maintenance Deposits Lessor Maintenance Deposits The increase (decrease) during the period in the amount of aircraft lease deposits money paid in advance for goods or services that bring economic benefits for future periods. Increase (Decrease) in Aircraft Lease Deposits Aircraft Lease Deposits Increase (Decrease) in Other Current Assets Other Assets Increase (Decrease) in Accounts Payable Accounts Payable Increase (Decrease) in Accrued Taxes Payable Accrued Transportation Taxes The increase (decrease) during the period in the amount of air traffic liabilities. Increase (Decrease) In Air Traffic Liabilities Air Traffic Liabilities The increase (decrease) during the period in the amount of loyalty program liabilities. Increase (Decrease) In Loyalty Program Liabilities Loyalty Program Liabilities The increase (decrease) during the period in the amount of operating lease liabilities. Increase (Decrease) In Operating Lease Liabilities Reduction in Operating Lease Obligations Increase (Decrease) in Other Current Liabilities Other Liabilities Net Cash Provided by (Used in) Operating Activities Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Investing Activities: Payments to Acquire Property, Plant, and Equipment Purchases of Property & Equipment Payments to Acquire Investments Purchase of Investments Proceeds from Sale, Maturity and Collection of Investments Proceeds from the Sale of Investments Net Cash Provided by (Used in) Investing Activities Net Cash Used in Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: Proceeds from Issuance Initial Public Offering Cash Received from Stock Offering Payments of Stock Issuance Costs Costs of Stock Offering Offering expenses The cash inflow associated with the amount received from holders exercising their stock warrants and stock option. Proceeds from Stock Option and Warrant Exercises Proceeds from Stock Option and Warrant Exercises Proceeds from Issuance of Long-term Debt Proceeds from Borrowings Finance Lease, Principal Payments Repayment of Finance Lease Obligations Repayments of Long-term Debt Repayment of Borrowings Payments of Debt Issuance Costs Debt Issuance Costs Net Cash Provided by (Used in) Financing Activities Net Cash Provided by Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents and Restricted Cash-End of the Period Cash, Cash Equivalents and Restricted Cash-Beginning of the Period Total Cash, Cash Equivalents and Restricted Cash Supplemental Cash Flow Information [Abstract] Supplemental information: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash Payments for Interest Income Taxes Paid, Net Cash Payments for Income Taxes, net The amount of lease deposits applied against the purchase of aircraft. Lease Deposits Applied Against The Purchase Of Aircraft Lease Deposits Applied Against the Purchase of Aircraft The amount of property, plant and equipment acquired through finance leases. Property Plant And Equipment Acquired Through Finance Leases Aircraft and Flight Equipment Acquired through Finance Leases Capital Expenditures Incurred but Not yet Paid Purchases of Property & Equipment in Accounts Payable Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Reconciliation of Cash, Cash Equivalents and Restricted Cash Restricted Cash Restricted Cash