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 1521SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 1521 · PDX → FAI
departs 9:59 PM PT · arrives 12:55 AM AKT
Forecast issued Wed 4:00 PM ET · 33h before departure
Odds over time
Arrive at FAI more than 15 minutes late?
16%chance · ±0 pts+2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to FAI?
On time or early
84%
15–30 min late
9%
30 min–1 hour late
3%
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%.