Cover - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Apr. 28, 2026 |
Jun. 30, 2025 |
|
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Document Period End Date | Dec. 31, 2025 | ||
| Amendment Flag | true | ||
| Entity Registrant Name | Spirit Aviation Holdings, Inc. | ||
| Entity Central Index Key | 0001498710 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-35186 | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 33-3711797 | ||
| Entity Address, Address Line One | 1731 Radiant Drive | ||
| Entity Address, City or Town | Dania Beach | ||
| Entity Address, State or Province | FL | ||
| Entity Address, Postal Zip Code | 33004 | ||
| City Area Code | 954 | ||
| Local Phone Number | 447-7920 | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | Yes | ||
| Entity Current Reporting Status | No | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 129 | ||
| Entity Common Stock, Shares Outstanding | 28,365,259 | ||
| Document Fiscal Period Focus | FY | ||
| Document Fiscal Year Focus | 2025 | ||
| Amendment Description | This Amendment No. 1 on Form 10-K/A (this “Amendment”) amends our Annual Report on Form 10-K for the fiscal year ended December 31, 2025, that was filed with the Securities and Exchange Commission (the “SEC”) on March 16, 2026 (the “Form 10-K”). We are filing this Amendment to provide the information required by Part III of Form 10-K previously omitted from the Form 10-K in accordance with General Instruction G.(3) to Form 10-K. Accordingly, Items 10, 11, 12, 13 and 14 of Part III of the Form 10-K are replaced in their entirety with the information provided herein. We are filing this Form 10-K/A to include Part III information in our Form 10-K because we will not file a definitive proxy statement containing such information within 120 days after the end of the fiscal year covered by the Form 10-K. In addition, this Form 10-K/A deletes the reference on the cover of the Form 10-K to the incorporation by reference of portions of our proxy statement into Part III of the Form 10-K. As previously disclosed, on November 18, 2024, Spirit Airlines, LLC (formerly known as Spirit Airlines, Inc. “Former Spirit”) (“Spirit Airlines”) commenced a voluntary case under chapter 11 of title 11 of the United States Code (the “Bankruptcy Code”) in the United States Bankruptcy Court for the Southern District of New York (the “Bankruptcy Court”), and, on November 25, 2024, certain of Spirit Airlines’ subsidiaries (together with Spirit Airlines, the “Company Parties”) also filed voluntary petitions seeking relief under Chapter 11 of the Bankruptcy Code in the Bankruptcy Court and joined the 2024 Bankruptcy Case (the “2024 Bankruptcy” or “2024 Chapter 11 Bankruptcy”). Former Spirit completed a corporate reorganization pursuant to which Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”) became the new parent company, with Spirit Airlines becoming a wholly owned subsidiary of the Company and converted from a Delaware corporation to a Delaware limited liability company. The Company is the successor registrant to Former Spirit. On August 29, 2025 (the “Petition Date”), the Company, and each of its direct or indirect subsidiaries, filed voluntary petitions under chapter 11 of the Bankruptcy Code in the Bankruptcy Court (the “2025 Bankruptcy” or “2025 Chapter 11 Bankruptcy Proceedings”). Because no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4 and 5 of the certifications have been omitted. We are not including the certifications under Section 906 of the Sarbanes-Oxley Act of 2002 as no financial statements are being filed with this Amendment. Except as expressly stated, this Amendment does not reflect events occurring after the filing of the Form 10-K or modify or update in any way any of the other items or disclosures contained in the Form 10-K, including, without limitation, the consolidated financial statements and the related footnotes. Accordingly, this Amendment should be read in conjunction with the Form 10-K and the Company’s other filings with the SEC subsequent to the filing of the Form 10-K. | ||
| Document Annual Report | true |