San Jose, CA → San Diego, CA flight delays
SJC → SAN · all airlines · 454 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +39 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+39m
Best & worst day to fly
Most on-time
Saturday
delayed 5%
Worst
Friday
delayed 39%
Which airline is most punctual on SJC → SAN?
SkyWestdelayed 18%
Southwestdelayed 26%
Frequently asked
How often is the San Jose, CA to San Diego, CA flight delayed?
About 24% of SJC → SAN flights arrive late (15+ minutes), by an average of 39 minutes when they do, based on 454 flights in April 2026.
Which airline is most punctual on SJC → SAN?
SkyWest, delayed 18% of the time — the best of the 2 airlines flying this route.
What is the best day to fly SJC → SAN?
Saturday is the most on-time (delayed 5%), while Friday is the worst (delayed 39%).
Airport overviews