Miami, FL → Houston, TX flight delays
MIA → IAH · all airlines · 310 flights · April 2026 · source: US BTS
This route is delayed
21%of the time, by +82 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
79%
Delayed 3h+
1.6%
Cancelled
1%
Avg when late
+82m
Best & worst day to fly
Most on-time
Friday
delayed 5%
Worst
Sunday
delayed 35%
Which airline is most punctual on MIA → IAH?
Uniteddelayed 11%
Americandelayed 27%
Spiritdelayed 28%
Frequently asked
How often is the Miami, FL to Houston, TX flight delayed?
About 21% of MIA → IAH flights arrive late (15+ minutes), by an average of 82 minutes when they do, based on 310 flights in April 2026.
Which airline is most punctual on MIA → IAH?
United, delayed 11% of the time — the best of the 3 airlines flying this route.
What is the best day to fly MIA → IAH?
Friday is the most on-time (delayed 5%), while Sunday is the worst (delayed 35%).
Airport overviews