Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 1524SCHEDULED · TYPICAL SCHEDULE
AS 1524 · PDX → BOI
departs 9:30 PM PT · arrives 11:48 PM MT
Forecast issued Thu 7:00 AM ET · 66h before departure
Odds over time
Arrive at BOI more than 15 minutes late?
17%chance · ±1 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
82%
15–30 min late
9%
30 min–1 hour late
4%
1–2 hours late
3%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.