AS1231
AS1231 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Phoenix to Portland. Of 114 departures recorded from October 2024 to April 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 114 flights
- Average delay6.4 min
- April 202620
- Cancelled0.9%
- Legs flown under this number3
Recorded departures by month
Short series — AS1231 has only 7 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods4 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | – | – |
| February | – | – | – |
| March | 1 | 14 | ▲ 1,300.0% |
| April | – | 20 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → April 2026
On-time departures by month
Short series — AS1231 has only 7 months so far. Enough to show the level now, not enough to read a trend.
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 periods4 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.0% | – | – |
| February | – | – | – |
| March | 0.0% | 71.4% | – |
| April | – | 89.5% | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Short series — AS1231 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
Short series — AS1231 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods4 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | – | – | – |
| March | 0 | 0 | – |
| April | – | 1 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → April 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 99.1% 113
- Cancelled 0.9% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 20, 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 |
|---|---|---|---|---|
| PHX PDX Phoenix Sky Harbor International Airport – Portland International Airport | 1,625 | 7.4 min | 83.5% | 79 |
| ITO HNL Hilo International Airport – Daniel K. Inouye International Airport | 349 | 3.6 min | 81.8% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 28 | 28 | 78.6% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| March 2025 | 1 | 1 | 0.0% | 0 |
| March 2026 | 14 | 14 | 71.4% | 0 |
| April 2026 | 20 | 19 | 89.5% | 1 |