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 248SCHEDULED · TYPICAL SCHEDULE
AS 248 · SEA → BOI
departs 7:07 AM PT · arrives 9:40 AM MT
Forecast issued Fri 2:00 PM ET · 68h before departure
Odds over time
Arrive at BOI more than 15 minutes late?
10%chance · ±2 pts−1 pt · 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
90%
15–30 min late
5%
30 min–1 hour late
3%
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%.