Flights Houston → Miami
IAH → MIA
Route overview
The flight route from Houston to Miami operates with a high frequency of 960 flights annually, using various aircraft models including the Boeing 737 series and Airbus A319/A320. With an on-time performance rate of 79%, these flights typically experience a mean delay of 20.5 minutes, serving one of the busiest airports in terms of passenger traffic with over 50 million passengers per year at the destination.
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 Houston (IAH) → Miami (MIA) route is operated by American Airlines, United Airlines. Across 1223 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 3.19%. FlightGuard's average computed risk is 25.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Miami the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Miami: what to expect in this direction
Flying from Houston (IAH) to Miami (MIA) heads east for about 1,549 km, a flight time of roughly 2h 21m.
Departures from Houston on this leg cluster in the overnight window: about 43% of IAH-MIA flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Miami it is 2.0 min (atfm).
Across 1,223 tracked IAH-MIA flights, 79% left on time with an average delay of 20 min and a 3.2% 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) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating IAH-MIA
Airports
Frequently asked questions about IAH-MIA
On the Houston (IAH) -> Miami (MIA) route, on-time performance is 79% with an average delay of 20 minutes, based on 1223 tracked flights.
The cancellation rate on Houston-Miami is 3.19% across 1223 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 Miami, 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.
