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 499SCHEDULED · TYPICAL SCHEDULE
AS 499 · PDX → SEA
departs 6:19 AM PT · arrives 7:17 AM PT
Forecast issued Sat 12:00 AM ET · 57h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
11%chance · ±2 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SEA?
On time or early
88%
15–30 min late
5%
30 min–1 hour late
4%
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%.