AS1255
AS1255 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Sacramento to Seattle. Of 266 departures recorded from October 2024 to February 2026, 83.2% left on time, according to the US BTS.
- On-time departures83.2%of 266 flights
- Average delay6.5 min
- February 20261▼ 95.0%vs February 2025
- Cancelled1.5%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 19 | – | – |
| February | 20 | 1 | ▼ 95.0% |
| March | 13 | – | – |
| April | 7 | – | – |
| May | 27 | – | – |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 15 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 79.0% | – | – |
| February | 68.4% | 100.0% | ▲ 46.2% |
| March | 92.3% | – | – |
| April | 85.7% | – | – |
| May | 81.5% | – | – |
| June | 76.7% | – | – |
| July | 90.3% | – | – |
| August | 93.3% | – | – |
| September | 76.7% | – | – |
| October | 71.4% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → February 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → February 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 98.5% 262
- Cancelled 1.5% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Feb 11, 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 |
|---|---|---|---|---|
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 2.9 min | 84.4% | 143 |
| ONT SEA Ontario International Airport – Seattle–Tacoma International Airport | 1,540 | 10.6 min | 81.7% | 122 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 100.0% | 0 |
| November 2024 | 28 | 27 | 85.2% | 1 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 19 | 19 | 79.0% | 0 |
| February 2025 | 20 | 19 | 68.4% | 1 |
| March 2025 | 13 | 13 | 92.3% | 0 |
| April 2025 | 7 | 7 | 85.7% | 0 |
| May 2025 | 27 | 27 | 81.5% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 15 | 14 | 71.4% | 1 |
| February 2026 | 1 | 1 | 100.0% | 0 |