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 441SCHEDULED · TYPICAL SCHEDULE
AS 441 · SEA → BOI
departs 12:55 PM PT · arrives 3:26 PM MT
Forecast issued Tue 7:00 PM ET · 45h before departure
Odds over time
Arrive at BOI more than 15 minutes late?
21%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 BOI?
On time or early
79%
15–30 min late
10%
30 min–1 hour late
7%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.