AS590
AS590 (Alaska Airlines) is a multi-stop service on 4 routes, busiest Seattle to San Francisco. Of 290 departures recorded from October 2024 to July 2026, 58.0% left on time, according to the US BTS.
- On-time departures58.0%of 290 flights
- Average delay24.3 min
- July 202627▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number4
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 18 | – |
| February | – | 23 | – |
| March | – | 17 | – |
| April | 1 | – | – |
| May | 19 | – | – |
| June | 26 | 18 | ▼ 30.8% |
| July | 27 | 27 | 0.0% |
| August | 25 | – | – |
| September | 26 | – | – |
| October | 7 | – | in progress |
| November | 20 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → July 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 61.1% | – |
| February | – | 73.9% | – |
| March | – | 64.7% | – |
| April | 100.0% | – | – |
| May | 79.0% | – | – |
| June | 36.0% | 11.1% | ▼ 69.1% |
| July | 72.0% | 33.3% | ▼ 53.7% |
| August | 68.0% | – | – |
| September | 76.0% | – | – |
| October | 71.4% | – | in progress |
| November | 50.0% | – | – |
| December | 58.6% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 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 98.6% 286
- Cancelled 1.4% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 25.7 min | 56.1% | 252 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 71.4% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 19 | 19 | 79.0% | 0 |
| June 2025 | 26 | 25 | 36.0% | 1 |
| July 2025 | 27 | 25 | 72.0% | 2 |
| August 2025 | 25 | 25 | 68.0% | 0 |
| September 2025 | 26 | 25 | 76.0% | 1 |
| October 2025 | 7 | 7 | 71.4% | 0 |
| November 2025 | 20 | 20 | 50.0% | 0 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 18 | 18 | 61.1% | 0 |
| February 2026 | 23 | 23 | 73.9% | 0 |
| March 2026 | 17 | 17 | 64.7% | 0 |
| June 2026 | 18 | 18 | 11.1% | 0 |
| July 2026 | 27 | 27 | 33.3% | 0 |