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 523SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 523 · SEA → SJC
departs 9:43 PM PT · arrives 11:59 PM PT
Forecast issued Sun 5:00 AM ET · 44h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
18%chance · ±3 pts−3 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SJC?
On time or early
82%
15–30 min late
8%
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%.