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 311SCHEDULED · TYPICAL SCHEDULE
AS 311 · BOS → PDX
departs 6:03 AM ET · arrives 9:19 AM PT
Forecast issued Wed 3:00 PM ET · 63h before departure
Odds over time
Arrive at PDX more than 15 minutes late?
9%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 PDX?
On time or early
90%
15–30 min late
6%
30 min–1 hour late
2%
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%.