Houston, TX → Denver, CO flight delays
IAH → DEN · all airlines · 361 flights · April 2026 · source: US BTS
This route is delayed
12%of the time, by +66 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
88%
Delayed 3h+
0.3%
Cancelled
0%
Avg when late
+66m
Best & worst day to fly
Most on-time
Monday
delayed 0%
Worst
Saturday
delayed 25%
Which airline is most punctual on IAH → DEN?
Frontierdelayed 12%
Uniteddelayed 12%
Frequently asked
How often is the Houston, TX to Denver, CO flight delayed?
About 12% of IAH → DEN flights arrive late (15+ minutes), by an average of 66 minutes when they do, based on 361 flights in April 2026.
Which airline is most punctual on IAH → DEN?
Frontier, delayed 12% of the time — the best of the 2 airlines flying this route.
What is the best day to fly IAH → DEN?
Monday is the most on-time (delayed 0%), while Saturday is the worst (delayed 25%).
Airport overviews