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 436SCHEDULED · TYPICAL SCHEDULE
AS 436 · PDX → BOS
departs 9:56 PM PT · arrives 6:20 AM ET
Forecast issued Tue 9:00 PM ET · 52h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
15%chance · ±0 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to BOS?
On time or early
84%
15–30 min late
6%
30 min–1 hour late
6%
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%.