Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 54SCHEDULED · TYPICAL SCHEDULE
AS 54 · ANC → SEA
departs 1:29 AM AKT · arrives 6:00 AM PT
Forecast issued Sun 12:00 AM ET · 30h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
9%chance · ±1 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
91%
15–30 min late
5%
30 min–1 hour late
2%
1–2 hours late
1%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.