Houston, TX → Miami, FL flight delays
IAH → MIA · all airlines · 310 flights · April 2026 · source: US BTS
This route is delayed
20%of the time, by +113 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
1.6%
Cancelled
1%
Avg when late
+113m
Best & worst day to fly
Most on-time
Friday
delayed 10%
Worst
Tuesday
delayed 28%
Which airline is most punctual on IAH → MIA?
Uniteddelayed 15%
Americandelayed 18%
Spiritdelayed 25%
Frequently asked
How often is the Houston, TX to Miami, FL flight delayed?
About 20% of IAH → MIA flights arrive late (15+ minutes), by an average of 113 minutes when they do, based on 310 flights in April 2026.
Which airline is most punctual on IAH → MIA?
United, delayed 15% of the time — the best of the 3 airlines flying this route.
What is the best day to fly IAH → MIA?
Friday is the most on-time (delayed 10%), while Tuesday is the worst (delayed 28%).
Airport overviews