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Flying Agreements Revenue and Lease, Airport Services and Other Revenues (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Agreements with other airlines |
Schedule of future minimum rental payments for operating leases | ​
​ | ​ | ​ | ​ | ​
October 2020 through December 2020 |  | $ | 22,393 |
2021 | ​ |  | 85,599 | ​
2022 | ​ |  | 76,923 | ​
2023 | ​ |  | 69,419 | ​
2024 | ​ |  | 28,091 | ​
Thereafter | ​ |  | 98,448 | ​
​ | ​ | $ | 380,873 | ​
Schedule of revenue by type | The following table represents the Company’s flying agreements revenue by type for the three and nine month periods ended September 30, 2020 and 2019 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30, | ​
​ |  | 2020 |  | 2019 | ​ | 2020 |  | 2019 | ​
Capacity purchase agreements revenue: flight operations |  | $ | 175,753 |  | $ | 385,537 |  | $ | 674,222 |  | $ | 1,155,814 | ​
Capacity purchase agreements revenue: aircraft lease and fixed revenue | ​ | ​ | 208,516 | ​ | ​ | 207,467 | ​ | ​ | 619,354 | ​ | ​ | 621,526 | ​
Prorate agreements revenue | ​ |  | 60,779 | ​ |  | 145,834 | ​ |  | 197,336 | ​ |  | 386,833 | ​
Flying agreements revenue |  | $ | 445,048 |  | $ | 738,838 |  | $ | 1,490,912 |  | $ | 2,164,173 |
Schedule of details of agreements with other airlines | ​ The following table summarizes the significant provisions of each code-share agreement SkyWest Airlines has with each major airline partner:
|  |  | ​ |  |  |
|  |  | ​ |  |  |
Delta Connection Agreements
Agreement |  | Aircraft type |  | Number of Aircraft |  | Term / Termination Dates
Delta Connection Agreement (capacity purchase agreement) | ​ | • CRJ 200 • CRJ 700 • CRJ 900 • E175 | ​ | 17 6 39 67 | ​ | • Individual aircraft have scheduled removal dates from 2020 to 2030
Delta Connection Prorate Agreement (prorate arrangement) | ​ | • CRJ 200 | ​ | 21 | ​ | • Terminable with 30-day notice
​ ​
United Express Agreements
Agreement |  | Aircraft type |  | Number of Aircraft |  | Term / Termination Dates
United Express Agreements (capacity purchase agreement) | ​ | • CRJ 200 • CRJ 700 • E175 | ​ | 70 19 90 | ​ | • Individual aircraft have scheduled removal dates from 2022 to 2029
United Express Prorate Agreement (prorate arrangement) | ​ | • CRJ 200 | ​ | 26 | ​ | • Terminable with 120-day notice
​
​ | ​ | ​ | ​ | ​ | ​ | ​
American Agreements
Agreement |  | Aircraft type |  | Number of Aircraft |  | Term / Termination Dates
American Agreement (capacity purchase agreement) | ​ | • CRJ 700 | ​ | 61 | ​ | • Individual aircraft have scheduled removal dates from 2022 to 2025
​
Alaska Capacity Purchase Agreement
Agreement |  | Aircraft type |  | Number of Aircraft |  | Term / Termination Dates
Alaska Agreement (capacity purchase agreement) | ​ | • E175 | ​ | 32 | ​ | • Individual aircraft have scheduled removal dates from 2027 to 2030
Schedule of changes in allowance for credit losses | ​
​ | ​ | ​ | ​ | ​
​ |  | Allowance for |
​ | ​ | Credit Losses |
Balance at January 1, 2020 | ​ | $ | 15,388 | ​
Additions to credit loss reserve | ​ |  | 24,260 | ​
Write-offs charged against the allowance | ​ |  | — | ​
Balance at September 30, 2020 | ​ | $ | 39,648 | ​
Aircraft |
Agreements with other airlines |
Schedule of future minimum rental payments for operating leases |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
October 2020 through December 2020 |  | $ | 6,170 |
2021 | ​ |  | 24,780 | ​
2022 | ​ |  | 24,596 | ​
2023 | ​ |  | 21,643 | ​
2024 | ​ |  | 21,336 | ​
Thereafter | ​ |  | 70,938 | ​
​ | ​ | $ | 169,463 | ​
Airport customer service and other |
Agreements with other airlines |
Schedule of revenue by type | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30,
​ | ​ | 2020 | ​ | 2019 | ​ | 2020 | ​ | 2019
Operating lease revenue |  | $ | 7,136 |  | $ | 10,075 |  | $ | 27,162 |  | $ | 28,113
Airport customer service and other revenue | ​ |  | 5,309 | ​ |  | 11,382 | ​ |  | 19,395 | ​ |  | 36,086
Lease, airport services and other | ​ | $ | 12,445 | ​ | $ | 21,457 | ​ | $ | 46,557 | ​ | $ | 64,199

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