About 1 in 2 AS 590 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (48%); 0.5% were cancelled. The typical flight landed 13 minutes late.
AS 590: SEA → SFO
Scheduled to leave Seattle at 8:42 p.m. local time. Over the past year it arrived on time 52% of the time (211 flights), better than other AS flights on the route at that hour (41%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 38 | 42% |
| Tuesday | 28 | 79% |
| Wednesday | 27 | 59% |
| Thursday | 36 | 56% |
| Friday | 36 | 42% |
| Saturday | 9 | — |
| Sunday | 37 | 43% |
Why it was late
All flights SEA → SFO · Connecting off AS 590? Check the risk
Questions
How often is AS 590 from SEA to SFO late?
Alaska Airlines 590 from Seattle, WA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 48% of 211 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.