Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
ALASKA · FLIGHT AS 427SCHEDULED · TYPICAL SCHEDULE
AS 427 · PDX → SEA
departs 9:19 AM PT · arrives 10:21 AM PT
Forecast issued Fri 10:00 PM ET · 10h after departure
Odds over time
Arrive at SEA more than 15 minutes late?
46%chance · ±0 pts+3 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to SEA?
On time or early
54%
15–30 min late
22%
30 min–1 hour late
18%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.