AS1239
AS1239 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Portland to Phoenix. Of 272 departures recorded from November 2024 to October 2025, 93.6% left on time, according to the US BTS.
- On-time departures93.6%of 272 flights
- Average delay0.7 min
- October 202525
- Cancelled1.8%
- Legs flown under this number2
Recorded departures by month
Short series — AS1239 has only 11 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 periods11 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 26 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | – | 21 | – |
| May | – | 17 | – |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | 31 | – |
| September | – | 29 | – |
| October | – | 25 | – |
| November | 3 | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → October 2025
On-time departures by month
Short series — AS1239 has only 11 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 periods11 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 92.3% | – |
| February | – | 100.0% | – |
| March | – | 100.0% | – |
| April | – | 81.0% | – |
| May | – | 93.8% | – |
| June | – | 93.3% | – |
| July | – | 90.3% | – |
| August | – | 96.7% | – |
| September | – | 93.1% | – |
| October | – | 91.7% | – |
| November | 100.0% | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → October 2025
Average departure delay by month
Short series — AS1239 has only 11 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 · November 2024 → October 2025
Cancelled departures by month
Short series — AS1239 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 2 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 1 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 1 | – |
| September | – | 0 | – |
| October | – | 1 | – |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → October 2025
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 98.2% 267
- Cancelled 1.8% 5
Share of all recorded flights in the period, all legs. · Nov 2, 2024 → Oct 25, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX PHX Portland International Airport – Phoenix Sky Harbor International Airport | 1,625 | 0.7 min | 93.6% | 269 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 3 | 3 | 100.0% | 0 |
| January 2025 | 26 | 26 | 92.3% | 0 |
| February 2025 | 28 | 26 | 100.0% | 2 |
| March 2025 | 31 | 31 | 100.0% | 0 |
| April 2025 | 21 | 21 | 81.0% | 0 |
| May 2025 | 17 | 16 | 93.8% | 1 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 30 | 96.7% | 1 |
| September 2025 | 29 | 29 | 93.1% | 0 |
| October 2025 | 25 | 24 | 91.7% | 1 |