Seattle, WA → San Jose, CA flight delays
SEA → SJC · all airlines · 305 flights · April 2026 · source: US BTS
This route is delayed
10%of the time, by +32 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
90%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+32m
Best & worst day to fly
Most on-time
Tuesday
delayed 5%
Worst
Saturday
delayed 16%
Which airline is most punctual on SEA → SJC?
SkyWestdelayed 7%
Alaskadelayed 11%
Southwestdelayed 19%
Frequently asked
How often is the Seattle, WA to San Jose, CA flight delayed?
About 10% of SEA → SJC flights arrive late (15+ minutes), by an average of 32 minutes when they do, based on 305 flights in April 2026.
Which airline is most punctual on SEA → SJC?
SkyWest, delayed 7% of the time — the best of the 3 airlines flying this route.
What is the best day to fly SEA → SJC?
Tuesday is the most on-time (delayed 5%), while Saturday is the worst (delayed 16%).
Airport overviews