Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 66SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 66 · JNU → SEA
departs 6:31 PM AKDT · arrives 9:57 PM PT
Forecast issued Fri 7:00 AM ET · 40h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
16%chance · ±1 pts−3 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
83%
15–30 min late
6%
30 min–1 hour late
6%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.