Flights Miami → Houston
MIA → IAH
How long is the flight from Miami to Houston?
The flight from Miami (MIA) to Houston (IAH) takes 2h 22m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Miami to Houston operates with a high frequency of 961 total flights, featuring aircraft models such as the Boeing 737-800, Boeing 737-900, Airbus A319, and Boeing 737-700. With an on-time performance rate of 76%, these flights typically experience a mean delay of approximately 20 minutes.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Miami (MIA) → Houston (IAH) route is operated by American Airlines, United Airlines. Across 2137 flights monitored in recent months, 76% arrived on time (within 15 min of schedule), with an average delay of 17 minutes. The cancellation rate is 2.29%. FlightGuard's average computed risk is 27.6/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Miami the average ATFM delay is 5.5 minutes.
Heading to Houston: what to expect in this direction
Flying from Miami (MIA) to Houston (IAH) heads west for about 1,549 km, a flight time of roughly 2h 22m.
Departures from Miami on this leg cluster in the overnight window: about 33% of MIA-IAH flights take off then.
Air-traffic congestion: departing Miami the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 2,137 tracked MIA-IAH flights, 76% left on time with an average delay of 17 min and a 2.3% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
Airlines operating MIA-IAH
Airports
Frequently asked questions about MIA-IAH
The flight from Miami (MIA) to Houston (IAH) takes 2h 22m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Miami (MIA) -> Houston (IAH) route, on-time performance is 76% with an average delay of 17 minutes, based on 2137 tracked flights.
The cancellation rate on Miami-Houston is 2.29% across 2137 monitored flights.
The route is operated by 2 airlines: American Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
