Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
AS 592 · Ontario (ONT) → Seattle (SEA)
Sold by Alaska. Still flying: 3 of the last 56 days.
Arrives on time71%within 15 minutes, of 24 flights
Cancelled0.0%of scheduled flights
An hour or more late8%of flights that operated
When late, on average66 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves ONT
- 19:41
- Arrives SEA
- 22:30
- Flight time
- 2h 49m
- Days flown, last 8 weeks
- 3 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 ONT
All flights leaving Ontario (ONT) at 7–8 pm, wherever they’re going: 73% left within 15 minutes and 0.6% were cancelled (972 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.