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Operating Revenues (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Agreements with other airlines |
Schedule of aircraft and agreements with major airline partners | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
United Express Agreements | ​ | ​ | ​ | ​ | ​ | ​
Agreement | ​ | Aircraft type | ​ | Number of Aircraft | ​ | Term / Termination Dates
United Express Agreements | ​ | • E175 | ​ | 116 | ​ | Individual aircraft have scheduled
(capacity purchase agreements) | ​ | • CRJ700/CRJ550 | ​ | 33 | ​ | removal dates under the agreement
​ | ​ | • CRJ200 | ​ | 50 | ​ | between 2025 and 2033
​ | ​ | ​ | ​ | ​ | ​ | ​
United Express Prorate Agreement | ​ | • CRJ200 | ​ | 30* | ​ | Terminable with 120-day notice
Total under United Express Agreements | ​ | ​ | ​ | 229 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Delta Connection Agreements | ​ | ​ | ​ | ​ | ​ | ​
Agreement | ​ | Aircraft type | ​ | Number of Aircraft | ​ | Term / Termination Dates
Delta Connection Agreement | ​ | • E175 | ​ | 87 | ​ | Individual aircraft have scheduled
(capacity purchase agreement) | ​ | • CRJ900 | ​ | 35 | ​ | removal dates under the agreement
​ | ​ | • CRJ700 | ​ | 5 | ​ | between 2025 and 2034
​ | ​ | ​ | ​ | ​ | ​ | ​
Delta Connection Prorate Agreement | ​ | • CRJ700/CRJ550 | ​ | 15* | ​ | Terminable with 30-day notice
Total under Delta Connection Agreements | ​ | ​ | ​ | 142 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
American Agreements | ​ | ​ | ​ | ​ | ​ | ​
Agreement | ​ | Aircraft type | ​ | Number of Aircraft | ​ | Term / Termination Dates
American Agreement | ​ | • E175 | ​ | 20 | ​ | Individual aircraft have scheduled
(capacity purchase agreement) | ​ | • CRJ700 | ​ | 68 | ​ | removal dates under the agreement
​ | ​ | ​ | ​ | ​ | ​ | between 2027 and 2032
​ | ​ | ​ | ​ | ​ | ​ | ​
American Prorate Agreement | ​ | • CRJ900 | ​ | 1* | ​ | Terminable with 180-day notice
Total under American Agreements | ​ | ​ | ​ | 89 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Alaska Agreement | ​ | ​ | ​ | ​ | ​ | ​
Agreement | ​ | Aircraft type | ​ | Number of Aircraft | ​ | Term / Termination Dates
Alaska Agreement | ​ | • E175 | ​ | 42 | ​ | Individual aircraft have scheduled
(capacity purchase agreement) | ​ | ​ | ​ | ​ | ​ | removal dates under the agreement
​ | ​ | ​ | ​ | ​ | ​ | between 2030 and 2034
* | The Company’s prorate agreements are based on specific routes, not a specific aircraft count. The number of aircraft listed above for each prorate agreement approximates the number of aircraft the Company uses to serve the prorate routes.
Schedule of future minimum rental payments for operating leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended June 30, | ​ | For the six months ended June 30,
​ |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Operating lease fixed revenue | ​ | $ | 16,697 | ​ | $ | 14,071 | ​ | $ | 32,762 | ​ | $ | 25,670
Operating lease variable revenue | ​ | ​ | 8,526 | ​ | ​ | 8,045 | ​ | ​ | 15,535 | ​ | ​ | 13,114
Airport customer service and other revenue | ​ | ​ | 22,493 | ​ | ​ | 6,832 | ​ | ​ | 31,880 | ​ | ​ | 15,489
Lease, airport services and other | ​ | $ | 47,716 | ​ | $ | 28,948 | ​ | $ | 80,177 | ​ | $ | 54,273
​ The following table summarizes future minimum rental income under operating leases primarily related to leased aircraft and engines that had remaining non-cancelable lease terms as of June 30, 2025 (in thousands):
​ | ​ | ​ | ​
July 2025 through December 2025 |  | $ | 23,040
2026 | ​ |  | 41,053
2027 | ​ |  | 38,697
2028 | ​ |  | 37,818
2029 | ​ |  | 36,296
Thereafter | ​ |  | 21,218
Total future minimum rental income under operating leases | ​ | $ | 198,122
Schedule of allowance for credit losses | The following table summarizes the changes in allowance for credit losses (in thousands):
​ | ​ | ​ | ​
​ |  | Allowance for Credit Losses
Balance at December 31, 2024 | ​ | $ | 15,071
Adjustments to credit loss reserves | ​ | ​ | 10,053
Write-offs charged against allowance | ​ | ​ | (63)
Balance at June 30, 2025 | ​ | $ | 25,061
​
Airport customer service and other |
Agreements with other airlines |
Schedule of revenue by type | The following table represents the Company’s lease, airport services and other revenues for the three and six months ended June 30, 2025 and 2024 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended June 30, | ​ | For the six months ended June 30,
​ |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Operating lease fixed revenue | ​ | $ | 16,697 | ​ | $ | 14,071 | ​ | $ | 32,762 | ​ | $ | 25,670
Operating lease variable revenue | ​ | ​ | 8,526 | ​ | ​ | 8,045 | ​ | ​ | 15,535 | ​ | ​ | 13,114
Airport customer service and other revenue | ​ | ​ | 22,493 | ​ | ​ | 6,832 | ​ | ​ | 31,880 | ​ | ​ | 15,489
Lease, airport services and other | ​ | $ | 47,716 | ​ | $ | 28,948 | ​ | $ | 80,177 | ​ | $ | 54,273
Flying agreements |
Agreements with other airlines |
Schedule of revenue by type | The following table represents the Company’s flying agreements revenue by type for the three and six months ended June 30, 2025 and 2024 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended June 30, | ​ | For the six months ended June 30,
​ |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Capacity purchase agreements flight operations revenue (non-lease component) | ​ | $ | 682,948 | ​ | $ | 595,127 | ​ | $ | 1,322,101 | ​ | $ | 1,139,287
Capacity purchase agreements fixed aircraft lease revenue | ​ | ​ | 104,220 | ​ | ​ | 75,131 | ​ | ​ | 215,208 | ​ | ​ | 150,290
Capacity purchase agreements variable aircraft lease revenue | ​ |  | 54,898 | ​ |  | 60,841 | ​ |  | 89,937 | ​ |  | 118,727
Prorate agreements and SWC revenue | ​ |  | 145,445 | ​ |  | 107,071 | ​ |  | 276,259 | ​ |  | 208,155
Flying agreements revenue | ​ | $ | 987,511 | ​ | $ | 838,170 | ​ | $ | 1,903,505 | ​ | $ | 1,616,459

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