Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 539SCHEDULED · TYPICAL SCHEDULE
Today
AS 539 · SEA → SJC
departs 5:45 PM PT · arrives 8:00 PM PT
Forecast issued Wed 10:00 AM ET · 11h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
31%chance · ±0 pts+12 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to SJC?
On time or early
69%
15–30 min late
22%
30 min–1 hour late
3%
1–2 hours late
4%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.