Miami (MIA) to Houston (IAH) flights
American Airlines, United Airlines, Frontier Airlines fly nonstop from Miami International Airport to George Bush Intercontinental Airport, with about 63 flights a week in July 2026. The 964-mile flight takes about 2h 52m gate to gate.
- Distance
- 964 mi · 1,551 km
- Flight time
- 2h 52m
- Airlines
- 3
- Seats filled
- 78%
Airlines flying MIA to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 33 | Boeing 737-800, Airbus A319, Boeing 737 MAX 8 | 201,346 | 2h 52m |
| United Airlines | 24 | Boeing 737 MAX 9, Boeing 737-800, Boeing 737 MAX 8 | 194,608 | 2h 52m |
| Frontier Airlines | 6 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 25,716 | 2h 58m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A321, Airbus A320neo | 56,064 | 2h 51m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 8,154 | 2h 51m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 977 | 3h 25m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MIA to IAH flight schedule
14 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 6:30am and the last at 10:14pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| F9 1067Frontier Airlines | 6:30am | 8:24am | 31 | 86% |
| UA 2606United Airlines | 6:30am | 8:24am | 7 | 100% |
| AA 2731American Airlines | 7:00am | 8:51am | 12 | 92% |
| AA 1465American Airlines | 8:20am | 10:11am | 27 | 93% |
| AA 1918American Airlines | 8:38am | 10:29am | 4 | 77% |
| UA 2417United Airlines | 8:48am | 10:42am | 10 | 86% |
| AA 4075American Airlines · operated by Envoy Air | 11:05am | 12:58pm | 8 | n/a |
| UA 1851United Airlines | 11:30am | 1:22pm | 21 | 100% |
| UA 470United Airlines | 12:29pm | 2:23pm | 10 | 86% |
| AA 1931American Airlines | 3:30pm | 5:22pm | 4 | 57% |
| AA 678American Airlines | 3:36pm | 5:33pm | 27 | 72% |
| UA 1216United Airlines | 5:01pm | 7:03pm | 31 | 74% |
| AA 2541American Airlines | 7:59pm | 9:51pm | 28 | 66% |
| AA 2230American Airlines | 10:14pm | 11:59pm | 31 | 68% |
Is MIA to IAH on time?
From September 2025 to August 2026, 79% of 3,667 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 3pm the least (66%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (35%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,709 | 73% | 20 min | 1.1% |
| United Airlines | 1,438 | 88% | 12 min | 0.5% |
| Spirit Airlines | 323 | 68% | 28 min | 3.1% |
| Frontier Airlines | 197 | 85% | 13 min | 4.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 357 | 95% | |
| 7am to 8am | 236 | 88% | |
| 8am to 9am | 432 | 90% | |
| 9am to 10am | 177 | 88% | |
| 10am to 11am | 82 | 85% | |
| 11am to 12pm | 164 | 90% | |
| 12pm to 1pm | 225 | 88% | |
| 1pm to 2pm | 169 | 80% | |
| 2pm to 3pm | 134 | 73% | |
| 3pm to 4pm | 376 | 66% | |
| 4pm to 5pm | 349 | 75% | |
| 7pm to 8pm | 360 | 66% | |
| 9pm to 10pm | 171 | 61% | |
| 10pm to 11pm | 249 | 71% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 298 | 41,951 | |
| September 2025 | 277 | 34,540 | |
| October 2025 | 306 | 39,125 | |
| November 2025 | 328 | 41,376 | |
| December 2025 | 339 | 42,031 | |
| January 2026 | 335 | 44,702 | |
| February 2026 | 306 | 38,647 | |
| March 2026 | 337 | 43,723 | |
| April 2026 | 307 | 37,153 | |
| May 2026 | 294 | 39,303 | |
| June 2026 | 280 | 43,462 | |
| July 2026 | 279 | 41,185 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.