Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
AS 528 · Seattle (SEA) → San Francisco (SFO)
Sold by Alaska. Still flying: 54 of the last 56 days (Daily).
Arrives on time54%within 15 minutes, of 219 flights
Cancelled0.9%of scheduled flights
An hour or more late13%of flights that operated
When late, on average55 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SEA
- 08:53
- Arrives SFO
- 11:09
- Flight time
- 2h 16m
- Days flown, last 8 weeks
- 54 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at SEA
All flights leaving Seattle (SEA) at 8–9 am, wherever they’re going: 89% left within 15 minutes and 1.0% were cancelled (14,336 flights in the year). Other Alaska flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.