Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 575SCHEDULED · TYPICAL SCHEDULE
AS 575 · ONT → SEA
departs 5:26 PM PT · arrives 8:06 PM PT
Forecast issued Tue 6:00 PM ET · 50h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
24%chance · ±1 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SEA?
On time or early
76%
15–30 min late
6%
30 min–1 hour late
11%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.