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 678SCHEDULED · TYPICAL SCHEDULE
Today
AS 678 · PDX → SJC
departs 9:30 PM PT · arrives 11:21 PM PT
Forecast issued Fri 5:00 PM ET · 8h before departure
Odds over time
Arrive at SJC more than 15 minutes late?
19%chance · ±0 pts+5 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
78%
15–30 min late
11%
30 min–1 hour late
0%
1–2 hours late
6%
Over 2 hours late
1%
Cancelled
4%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.