San Diego, CA → Denver, CO flight delays
SAN → DEN · all airlines · 507 flights · April 2026 · source: US BTS
This route is delayed
14%of the time, by +60 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
86%
Delayed 3h+
0.4%
Cancelled
0.4%
Avg when late
+60m
Best & worst day to fly
Most on-time
Tuesday
delayed 6%
Worst
Friday
delayed 23%
Which airline is most punctual on SAN → DEN?
Alaskadelayed 6%
Uniteddelayed 7%
Frontierdelayed 15%
Southwestdelayed 20%
Frequently asked
How often is the San Diego, CA to Denver, CO flight delayed?
About 14% of SAN → DEN flights arrive late (15+ minutes), by an average of 60 minutes when they do, based on 507 flights in April 2026.
Which airline is most punctual on SAN → DEN?
Alaska, delayed 6% of the time — the best of the 4 airlines flying this route.
What is the best day to fly SAN → DEN?
Tuesday is the most on-time (delayed 6%), while Friday is the worst (delayed 23%).
Airport overviews