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v3.25.4

Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 2,606,579 | $ 2,512,589 | $ 2,509,857
Labor and Related Expense | 833,017 | 819,843 | 687,803
Aircraft Fuel | 639,731 | 627,755 | 695,871
Station operations | 297,549 | 272,843 | 256,560
Depreciation, Depletion and Amortization, Nonproduction | 249,185 | 258,251 | 223,130
Selling and Marketing Expense | 99,443 | 106,340 | 114,616
Aircraft Maintenance, Materials, and Repairs | 149,938 | 125,430 | 123,802
Aircraft Lease Rental | 36,488 | 23,573 | 24,948
Other Cost and Expense, Operating | 126,356 | 150,399 | 133,501
Total special charges | 137,705 | 368,131 | 28,645
Total operating expenses | 2,569,412 | 2,752,565 | 2,288,876
Operating Income (Loss) | 37,167 | (239,976) | 220,981
Interest Income (Expense), Operating | (41,697) | (44,012) | (46,615)
Interest expense | 150,235 | 156,443 | 153,186
Interest Costs Capitalized | (17,604) | (45,385) | (45,132)
Other Nonoperating Expense | 1,107 | 1,428 | 491
INCOME (LOSS) BEFORE INCOME TAXES | (54,874) | (308,450) | 159,051
Payments to Acquire Productive Assets | 408,247 | 264,301 | 889,353
Assets | 4,209,401 | 4,429,853 | 4,856,667
Allegiant Air |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 2,545,899 | 2,440,839 | 2,506,976
Labor and Related Expense | 805,432 | 770,667 | 672,459
Aircraft Fuel | 639,731 | 627,755 | 695,871
Station operations | 297,549 | 272,843 | 256,560
Depreciation, Depletion and Amortization, Nonproduction | 242,026 | 231,789 | 220,915
Selling and Marketing Expense | 95,053 | 99,269 | 108,453
Aircraft Maintenance, Materials, and Repairs | 149,938 | 125,430 | 123,802
Aircraft Lease Rental | 36,488 | 23,573 | 24,948
Other Cost and Expense, Operating | 92,273 | 102,007 | 117,400
Total special charges | 43,539 | 45,307 | 35,091
Total operating expenses | 2,402,029 | 2,298,640 | 2,255,499
Operating Income (Loss) | 143,870 | 142,199 | 251,477
Interest Income (Expense), Operating | (41,697) | (44,012) | (46,615)
Interest expense | 126,769 | 135,584 | 131,318
Interest Costs Capitalized | (17,604) | (45,059) | (21,838)
Other Nonoperating Expense | 1,107 | 1,428 | 491
INCOME (LOSS) BEFORE INCOME TAXES | 75,295 | 94,258 | 188,121
Payments to Acquire Productive Assets | 406,805 | 244,802 | 568,309
Assets | 4,209,401 | 4,116,289 | 4,200,545
Sunseeker Resort (1) |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 60,680 | 71,750 | 2,881
Labor and Related Expense | 27,585 | 49,176 | 15,344
Aircraft Fuel | 0 | 0 | 0
Station operations | 0 | 0 | 0
Depreciation, Depletion and Amortization, Nonproduction | 7,159 | 26,462 | 2,215
Selling and Marketing Expense | 4,390 | 7,071 | 6,163
Aircraft Maintenance, Materials, and Repairs | 0 | 0 | 0
Aircraft Lease Rental | 0 | 0 | 0
Other Cost and Expense, Operating | 34,083 | 48,392 | 16,101
Total special charges | 94,166 | 322,824 | (6,446)
Total operating expenses | 167,383 | 453,925 | 33,377
Operating Income (Loss) | (106,703) | (382,175) | (30,496)
Interest Income (Expense), Operating | 0 | 0 | 0
Interest expense | 23,466 | 20,859 | 21,868
Interest Costs Capitalized | 0 | (326) | (23,294)
Other Nonoperating Expense | 0 | 0 | 0
INCOME (LOSS) BEFORE INCOME TAXES | (130,169) | (402,708) | (29,070)
Payments to Acquire Productive Assets | 1,442 | 19,499 | 321,044
Assets | $ 0 | $ 313,564 | $ 656,122

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