Debt Instrument, Original Interest Discount Rate

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Proceeds From Lines Of Credit, Excluding Restricted Amounts

+ References

No definition available.

+ Details

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Namespace Prefix:	flyy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount debtor-in-possession financing arranged (but not necessarily all borrowed).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481435/852-10-45-18

+ Details

Name:	us-gaap_DebtorInPossessionFinancingAmountArranged
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=flyy_DIPFacilityNewMoneyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=flyy_PaidInKindInterestRateMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=flyy_DefaultRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=flyy_DIPFacilityRollUpDIPLoansMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=flyy_DIPFacilityThirdDrawNewMoneyTermLoansMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=flyy_RestrictedCashLineOfCreditProceedsMember
Namespace Prefix:
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Debt and Other Obligations - DIP Credit Agreement and Facility (Details) - USD ($) $ in Millions	Dec. 15, 2025	Nov. 07, 2025	Oct. 31, 2025	Oct. 14, 2025
DIP Facility
Debt Instrument, Redemption [Line Items]
Debtor-in-possession financing, amount arranged			$ 1,200.0
DIP Facility, New Money Loans
Debt Instrument, Redemption [Line Items]
Debtor-in-possession financing, amount arranged			$ 475.0
Proceeds from lines of credit	$ 100.0	$ 50.0		$ 200.0
Original interest discount rate			3.00%
DIP Facility, New Money Loans \| Paid-In-Kind Interest Rate
Debt Instrument, Redemption [Line Items]
Basis spread on variable rate			8.00%
DIP Facility, New Money Loans \| Default Rate
Debt Instrument, Redemption [Line Items]
Basis spread on variable rate			2.00%
DIP Facility, Roll-Up DIP Loans
Debt Instrument, Redemption [Line Items]
Debtor-in-possession financing, amount arranged			$ 750.0
DIP Facility, Initial Draw
Debt Instrument, Redemption [Line Items]
Proceeds from lines of credit			200.0
DIP Facility, Post-Draw
Debt Instrument, Redemption [Line Items]
Proceeds from lines of credit			$ 160.0
DIP Facility, Third Draw New Money Term Loans
Debt Instrument, Redemption [Line Items]
Proceeds from lines of credit	100.0
Lines of credit, excluding restricted amounts	50.0
DIP Facility, Third Draw New Money Term Loans \| Restricted Cash, Line of Credit Proceeds
Debt Instrument, Redemption [Line Items]
Line of credit facility, remaining borrowing capacity	$ 50.0