AS131
AS131 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to Anchorage. Of 444 departures recorded from October 2024 to May 2026, 81.3% left on time, according to the US BTS.
- On-time departures81.3%of 444 flights
- Average delay9.3 min
- May 20261▼ 96.8%vs May 2025
- Cancelled0.2%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 6 | ▼ 76.9% |
| February | 23 | – | – |
| March | 29 | 14 | ▼ 51.7% |
| April | 30 | 18 | ▼ 40.0% |
| May | 31 | 1 | ▼ 96.8% |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 27 | – | in progress |
| November | 18 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → May 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.9% | 66.7% | ▼ 13.3% |
| February | 95.7% | – | – |
| March | 69.0% | 85.7% | ▲ 24.3% |
| April | 76.7% | 88.9% | ▲ 15.9% |
| May | 90.3% | 100.0% | ▲ 10.7% |
| June | 76.7% | – | – |
| July | 80.7% | – | – |
| August | 77.4% | – | – |
| September | 86.2% | – | – |
| October | 84.6% | – | in progress |
| November | 83.3% | – | – |
| December | 75.9% | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → May 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 99.8% 443
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 13, 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 |
|---|---|---|---|---|
| SEA ANC Seattle–Tacoma International Airport – Ted Stevens Anchorage International Airport | 2,326 | 9.6 min | 80.7% | 411 |
| ANC FAI Ted Stevens Anchorage International Airport – Fairbanks International Airport | 418 | 5.0 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 27 | 27 | 100.0% | 0 |
| December 2024 | 27 | 27 | 59.3% | 0 |
| January 2025 | 26 | 26 | 76.9% | 0 |
| February 2025 | 23 | 23 | 95.7% | 0 |
| March 2025 | 29 | 29 | 69.0% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 29 | 29 | 86.2% | 0 |
| October 2025 | 27 | 26 | 84.6% | 1 |
| November 2025 | 18 | 18 | 83.3% | 0 |
| December 2025 | 29 | 29 | 75.9% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| March 2026 | 14 | 14 | 85.7% | 0 |
| April 2026 | 18 | 18 | 88.9% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |