Schedule: the flights that flew on Tuesday, Nov 3, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 660SCHEDULED · TYPICAL SCHEDULE
AS 660 · MSO → SEA
departs 4:18 PM MT · arrives 4:43 PM PT
Forecast issued Sun 1:00 PM ET · 53h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
30%chance · ±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
70%
15–30 min late
12%
30 min–1 hour late
12%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.