Denver, CO → San Diego, CA flight delays
DEN → SAN · all airlines · 508 flights · April 2026 · source: US BTS
This route is delayed
16%of the time, by +41 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
84%
Delayed 3h+
0%
Cancelled
0.2%
Avg when late
+41m
Best & worst day to fly
Most on-time
Saturday
delayed 7%
Worst
Thursday
delayed 26%
Which airline is most punctual on DEN → SAN?
Alaskadelayed 4%
Uniteddelayed 7%
Frontierdelayed 15%
Southwestdelayed 28%
Frequently asked
How often is the Denver, CO to San Diego, CA flight delayed?
About 16% of DEN → SAN flights arrive late (15+ minutes), by an average of 41 minutes when they do, based on 508 flights in April 2026.
Which airline is most punctual on DEN → SAN?
Alaska, delayed 4% of the time — the best of the 4 airlines flying this route.
What is the best day to fly DEN → SAN?
Saturday is the most on-time (delayed 7%), while Thursday is the worst (delayed 26%).
Airport overviews