AS1240
AS1240 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to Oakland. Of 255 departures recorded from October 2024 to March 2026, 82.6% left on time, according to the US BTS.
- On-time departures82.6%of 255 flights
- Average delay4.7 min
- March 20261
- Cancelled0.8%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 20 | – | – |
| February | 6 | – | – |
| March | – | 1 | – |
| April | – | – | – |
| May | 17 | – | – |
| June | 27 | – | – |
| July | 27 | – | – |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
On-time departures by month
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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 65.0% | – | – |
| February | 66.7% | – | – |
| March | – | 100.0% | – |
| April | – | – | – |
| May | 70.6% | – | – |
| June | 77.8% | – | – |
| July | 92.3% | – | – |
| August | 88.5% | – | – |
| September | 96.2% | – | – |
| October | 95.8% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | – | 0 | – |
| April | – | – | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 1 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 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 99.2% 253
- Cancelled 0.8% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 18, 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 |
|---|---|---|---|---|
| SEA OAK Seattle–Tacoma International Airport – Oakland San Francisco Bay Airport | 1,082 | 10.6 min | 73.9% | 134 |
| LAX PDX Los Angeles International Airport – Portland International Airport | 1,343 | -2.0 min | 92.4% | 120 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 20 | 20 | 65.0% | 0 |
| February 2025 | 6 | 6 | 66.7% | 0 |
| May 2025 | 17 | 17 | 70.6% | 0 |
| June 2025 | 27 | 27 | 77.8% | 0 |
| July 2025 | 27 | 26 | 92.3% | 1 |
| August 2025 | 26 | 26 | 88.5% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 25 | 24 | 95.8% | 1 |
| March 2026 | 1 | 1 | 100.0% | 0 |