AS1199
AS1199 (Alaska Airlines) flies San Diego to Seattle. Of 266 departures recorded from October 2024 to October 2025, 70.6% left on time, according to the US BTS.
- On-time departures70.6%of 266 flights
- Average delay13.7 min
- October 202525▲ 150.0%vs October 2024
- Cancelled1.5%
Recorded departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 4 | – |
| February | – | – | – |
| March | – | 13 | – |
| April | – | 30 | – |
| May | – | 31 | – |
| June | – | 30 | – |
| July | – | 30 | – |
| August | – | 31 | – |
| September | – | 30 | – |
| October | 10 | 25 | ▲ 150.0% |
| November | 13 | – | – |
| December | 19 | – | – |
according to the US BTS · October 2024 → October 2025
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 periods12 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 50.0% | – |
| February | – | – | – |
| March | – | 69.2% | – |
| April | – | 76.7% | – |
| May | – | 80.7% | – |
| June | – | 60.0% | – |
| July | – | 56.7% | – |
| August | – | 74.2% | – |
| September | – | 79.3% | – |
| October | 60.0% | 79.2% | ▲ 32.0% |
| November | 76.9% | – | – |
| December | 58.8% | – | – |
according to the US BTS · October 2024 → October 2025
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → October 2025
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 0 | – |
| September | – | 1 | – |
| October | 0 | 1 | – |
| November | 0 | – | – |
| December | 2 | – | – |
according to the US BTS · October 2024 → October 2025
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.5% 262
- Cancelled 1.5% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Oct 25, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN SEA San Diego International Airport – Seattle–Tacoma International Airport | 1,692 | 13.7 min | 70.6% | 266 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 60.0% | 0 |
| November 2024 | 13 | 13 | 76.9% | 0 |
| December 2024 | 19 | 17 | 58.8% | 2 |
| January 2025 | 4 | 4 | 50.0% | 0 |
| March 2025 | 13 | 13 | 69.2% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 60.0% | 0 |
| July 2025 | 30 | 30 | 56.7% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 29 | 79.3% | 1 |
| October 2025 | 25 | 24 | 79.2% | 1 |