AS1204
AS1204 (Alaska Airlines) flies Portland to San Diego. Of 235 departures recorded from February 2025 to October 2025, 90.0% left on time, according to the US BTS.
Recorded departures by month
Short series — AS1204 has only 9 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods9 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 14 | – |
| March | – | 28 | – |
| April | – | 29 | – |
| May | – | 28 | – |
| June | – | 26 | – |
| July | – | 27 | – |
| August | – | 28 | – |
| September | – | 30 | – |
| October | – | 25 | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · February 2025 → October 2025
On-time departures by month
Short series — AS1204 has only 9 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods9 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 76.9% | – |
| March | – | 96.2% | – |
| April | – | 96.4% | – |
| May | – | 100.0% | – |
| June | – | 84.6% | – |
| July | – | 80.8% | – |
| August | – | 85.7% | – |
| September | – | 93.3% | – |
| October | – | 88.0% | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · February 2025 → October 2025
Average departure delay by month
Short series — AS1204 has only 9 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · February 2025 → October 2025
Cancelled departures by month
Short series — AS1204 has only 9 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods9 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 1 | – |
| March | – | 2 | – |
| April | – | 1 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 1 | – |
| August | – | 0 | – |
| September | – | 0 | – |
| October | – | 0 | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · February 2025 → October 2025
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.9% 230
- Cancelled 2.1% 5
Share of all recorded flights in the period, all legs. · Feb 13, 2025 → Oct 25, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX SAN Portland International Airport – San Diego International Airport | 1,503 | 2.9 min | 90.0% | 235 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| February 2025 | 14 | 13 | 76.9% | 1 |
| March 2025 | 28 | 26 | 96.2% | 2 |
| April 2025 | 29 | 28 | 96.4% | 1 |
| May 2025 | 28 | 28 | 100.0% | 0 |
| June 2025 | 26 | 26 | 84.6% | 0 |
| July 2025 | 27 | 26 | 80.8% | 1 |
| August 2025 | 28 | 28 | 85.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 25 | 25 | 88.0% | 0 |