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 621SCHEDULED · TYPICAL SCHEDULE
AS 621 · SMF → PDX
departs 11:46 AM PT · arrives 1:18 PM PT
Forecast issued Fri 11:00 PM ET · 64h before departure
Odds over time
Arrive at PDX more than 15 minutes late?
18%chance · ±2 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
82%
15–30 min late
9%
30 min–1 hour late
6%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.