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 503SCHEDULED · TYPICAL SCHEDULE
AS 503 · AUS → SEA
departs 4:17 PM CT · arrives 6:47 PM PT
Forecast issued Tue 6:00 PM ET · 47h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
39%chance · ±6 pts+0 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
59%
15–30 min late
7%
30 min–1 hour late
21%
1–2 hours late
6%
Over 2 hours late
4%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.