AS1235
AS1235 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Portland to Denver. Of 111 departures recorded from June 2025 to May 2026, 63.6% left on time, according to the US BTS.
- On-time departures63.6%of 111 flights
- Average delay24.5 min
- May 20261
- Cancelled0.9%
- Legs flown under this number2
Recorded departures by month
Short series — AS1235 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 periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 1 | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 1 | – |
| June | 19 | – | – |
| July | 30 | – | – |
| August | 26 | – | – |
| September | 17 | – | – |
| October | 17 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → May 2026
On-time departures by month
Short series — AS1235 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 periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 100.0% | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 100.0% | – |
| June | 63.2% | – | – |
| July | 51.7% | – | – |
| August | 65.4% | – | – |
| September | 76.5% | – | – |
| October | 64.7% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → May 2026
Average departure delay by month
Short series — AS1235 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 · June 2025 → May 2026
Cancelled departures by month
Short series — AS1235 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 periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 0 | – |
| June | 0 | – | – |
| July | 1 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2025 → 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 99.1% 110
- Cancelled 0.9% 1
Share of all recorded flights in the period, all legs. · Jun 12, 2025 → May 12, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX DEN Portland International Airport – Denver International Airport | 1,592 | 24.8 min | 63.0% | 109 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 19 | 19 | 63.2% | 0 |
| July 2025 | 30 | 29 | 51.7% | 1 |
| August 2025 | 26 | 26 | 65.4% | 0 |
| September 2025 | 17 | 17 | 76.5% | 0 |
| October 2025 | 17 | 17 | 64.7% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |