AS1225
AS1225 (Alaska Airlines) is a multi-stop service on 2 routes, busiest San Francisco to Seattle. Of 480 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 480 flights
- Average delay14.0 min
- July 20264▼ 85.2%vs July 2025
- Cancelled2.3%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 30 | ▲ 11.1% |
| February | 24 | 28 | ▲ 16.7% |
| March | 26 | 31 | ▲ 19.2% |
| April | 25 | 29 | ▲ 16.0% |
| May | 29 | 14 | ▼ 51.7% |
| June | 27 | 4 | ▼ 85.2% |
| July | 27 | 4 | ▼ 85.2% |
| August | 28 | – | – |
| September | 29 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 185 | 140 | ▼ 24.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 77.8% | 60.0% | ▼ 22.9% |
| February | 80.0% | 85.7% | ▲ 7.1% |
| March | 80.0% | 77.4% | ▼ 3.2% |
| April | 70.8% | 72.4% | ▲ 2.2% |
| May | 78.6% | 100.0% | ▲ 27.3% |
| June | 61.5% | 100.0% | ▲ 62.5% |
| July | 65.4% | 100.0% | ▲ 53.0% |
| August | 64.3% | – | – |
| September | 79.3% | – | – |
| October | 60.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jul) | 73.4% | 85.1% | ▲ 15.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 4 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 9 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 97.7% 469
- Cancelled 2.3% 11
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 15.3 min | 69.6% | 340 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | 11.1 min | 77.9% | 140 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 58.8% | 0 |
| November 2024 | 28 | 27 | 55.6% | 1 |
| December 2024 | 28 | 27 | 70.4% | 1 |
| January 2025 | 27 | 27 | 77.8% | 0 |
| February 2025 | 24 | 20 | 80.0% | 4 |
| March 2025 | 26 | 25 | 80.0% | 1 |
| April 2025 | 25 | 24 | 70.8% | 1 |
| May 2025 | 29 | 28 | 78.6% | 1 |
| June 2025 | 27 | 26 | 61.5% | 1 |
| July 2025 | 27 | 26 | 65.4% | 1 |
| August 2025 | 28 | 28 | 64.3% | 0 |
| September 2025 | 29 | 29 | 79.3% | 0 |
| October 2025 | 25 | 25 | 60.0% | 0 |
| January 2026 | 30 | 30 | 60.0% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 29 | 29 | 72.4% | 0 |
| May 2026 | 14 | 14 | 100.0% | 0 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 4 | 4 | 100.0% | 0 |