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v3.25.1

Operating Revenues (Details) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 25, 2025 USD ($) aircraft | Mar. 31, 2025 USD ($) aircraft item | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Agreements with other airlines |  |  |  |
Percentage of ASMs flown under fixed-fee arrangements |  | 85.70% | 87.00% |
Percentage of ASMs flown under pro-rate arrangements |  | 14.30% | 13.00% |
Rental income under operating leases |  |  |  |
Operating lease fixed revenue |  | $ 16,065 | $ 11,599 |
Operating lease variable revenue |  | 7,009 | 5,069 |
Total operating revenues |  | 948,455 | 803,614 |
Future minimum rental income |  |  |  |
April 2025 through December 2025 |  | 32,508 |  |
2026 |  | 37,559 |  |
2027 |  | 37,436 |  |
2028 |  | 36,557 |  |
2029 |  | 35,035 |  |
Thereafter |  | 20,655 |  |
Total future minimum rental income under operating leases |  | 199,750 |  |
Deferred revenue recognized |  | 9,500 | 700 |
Increase (decrease) in unbilled revenue |  | 100 | (300) |
Increase (decrease) in unbilled lease revenue |  | 1,100 |  |
Deferred revenue |  | 325,900 |  | $ 337,500
Deferred revenue in other current liabilities |  | 73,000 |  | 54,800
Deferred revenue in other long-term liabilities |  | 252,900 |  | 282,700
Unbilled revenue |  | 16,400 |  | 15,100
Property and equipment and related assets |  | 5,622,807 |  | 5,587,408
Gross receivables current |  | 139,500 |  | 125,900
Gross receivables Non-current |  | 208,000 |  | 225,200
Balance | $ 15,692 | 15,071 |  |
Adjustments to credit loss reserves |  | 684 |  |
Write-offs charged against allowance |  | (63) |  |
Balance |  | 15,692 |  |
Other Current Assets |  |  |  |
Future minimum rental income |  |  |  |
Unbilled revenue |  | 1,100 |  | 1,100
Other Noncurrent Assets |  |  |  |
Future minimum rental income |  |  |  |
Unbilled revenue |  | 15,300 |  | $ 14,000
Other Noncurrent Liabilities |  |  |  |
Future minimum rental income |  |  |  |
Deferred lease revenue |  | $ 2,200 | 500 |
Minimum |  |  |  |
Agreements with other airlines |  |  |  |
EAS contract term |  | 2 years |  |
Maximum |  |  |  |
Agreements with other airlines |  |  |  |
EAS contract term |  | 3 years |  |
Aircraft in schedule service or under contract |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 488 |  |
Aircraft |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft acquired | aircraft |  | 8 |  |
United |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 218 |  |
United | United Express Prorate Agreement |  |  |  |
Future minimum rental income |  |  |  |
Agreement term |  | 120 days |  |
Delta |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 140 |  |
Delta | Delta Connection Prorate Agreement |  |  |  |
Future minimum rental income |  |  |  |
Agreement term |  | 30 days |  |
American |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 88 |  |
Jet aircraft and spare engines leased to third parties |  |  |  |
Future minimum rental income |  |  |  |
Property and equipment and related assets |  | $ 195,200 |  |
CRJ 200 | United | United Express Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 50 |  |
CRJ 200 | United | United Express Prorate Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 27 |  |
CRJ 700 |  |  |  |
Future minimum rental income |  |  |  |
Number of seats on aircraft | item |  | 50 |  |
CRJ 700 | United | United Express Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 27 |  |
CRJ 700 | Delta | Delta Connection Prorate Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 14 |  |
CRJ 700 | Delta | Delta Connection Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 5 |  |
CRJ 700 | American | American Capacity Purchase Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 68 |  |
CRJ 900 |  |  |  |
Future minimum rental income |  |  |  |
Number of used aircraft acquired | aircraft |  | 12 |  |
CRJ 900 | Delta | Delta Connection Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 35 |  |
E175 |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft under purchase agreement | aircraft |  | 16 |  |
E175 | United Express Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of new aircraft ordered | aircraft |  | 15 |  |
Number of aircraft scheduled for delivery in 2025 | aircraft |  | 7 |  |
Number of aircraft scheduled for delivery in 2026 | aircraft |  | 8 |  |
E175 | Alaska Capacity Purchase Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of new aircraft ordered | aircraft |  | 1 |  |
E175 | Sky West Airlines Inc. | Alaska Capacity Purchase Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 42 |  |
E175 | United | United Express Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 11 |  |
E175 | Delta | Delta Connection Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 86 |  |
E175 | American | American Capacity Purchase Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 20 |  |
E175 | Alaska | Alaska Capacity Purchase Agreement |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft |  | 42 |  |
Subsequent event | CRJ 550 | United Express Agreements |  |  |  |
Future minimum rental income |  |  |  |
Number of aircraft | aircraft | 50 |  |  |
Number of aircraft to be placed in service | aircraft | 38 |  |  |
Number of new aircraft placed into service | aircraft | 12 |  |  |
Flying agreements |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | $ 915,994 | 778,289 |
Flight operations revenue |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | 639,153 | 544,160 |
Capacity purchase agreements fixed aircraft lease revenue |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | 110,988 | 75,159 |
Capacity purchase agreements variable aircraft lease revenue |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | 35,039 | 57,886 |
Prorate agreements and SWC revenue |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | 130,814 | 101,084 |
Airport customer service and other revenue |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | 9,387 | 8,657 |
Lease, airport services and other. |  |  |  |
Rental income under operating leases |  |  |  |
Total operating revenues |  | $ 32,461 | $ 25,325 |

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