AS1390
AS1390 (Alaska Airlines) flies Seattle to Los Angeles. Of 153 departures recorded from October 2025 to July 2026, 73.2% left on time, according to the US BTS.
Recorded departures by month
Short series — AS1390 has only 10 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 4 | – |
| February | – | 13 | – |
| March | – | 22 | – |
| April | – | 24 | – |
| May | – | 19 | – |
| June | – | 15 | – |
| July | – | 23 | – |
| August | – | – | – |
| September | – | – | – |
| October | 5 | – | in progress |
| November | 9 | – | – |
| December | 19 | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — AS1390 has only 10 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 50.0% | – |
| February | – | 69.2% | – |
| March | – | 77.3% | – |
| April | – | 79.2% | – |
| May | – | 84.2% | – |
| June | – | 73.3% | – |
| July | – | 60.9% | – |
| August | – | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 88.9% | – | – |
| December | 57.9% | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — AS1390 has only 10 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · October 2025 → July 2026
Cancelled departures by month
Short series — AS1390 has only 10 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 100.0% 153
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 26, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport | 1,537 | 10.6 min | 73.2% | 153 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 9 | 9 | 88.9% | 0 |
| December 2025 | 19 | 19 | 57.9% | 0 |
| January 2026 | 4 | 4 | 50.0% | 0 |
| February 2026 | 13 | 13 | 69.2% | 0 |
| March 2026 | 22 | 22 | 77.3% | 0 |
| April 2026 | 24 | 24 | 79.2% | 0 |
| May 2026 | 19 | 19 | 84.2% | 0 |
| June 2026 | 15 | 15 | 73.3% | 0 |
| July 2026 | 23 | 23 | 60.9% | 0 |