Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 1388SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AS 1388 · SEA → SAN
departs 5:53 PM PT · arrives 8:49 PM PT
Forecast issued Wed 3:00 PM ET · 30h before departure
Odds over time
Arrive at SAN more than 15 minutes late?
40%chance · ±2 pts+4 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SAN?
On time or early
60%
15–30 min late
18%
30 min–1 hour late
13%
1–2 hours late
7%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.