Houston (IAH) to Miami (MIA) flights
American Airlines, United Airlines, Frontier Airlines fly nonstop from George Bush Intercontinental Airport to Miami International Airport, with about 63 flights a week in July 2026. The 964-mile flight takes about 2h 30m gate to gate.
- Distance
- 964 mi · 1,551 km
- Flight time
- 2h 30m
- Airlines
- 3
- Seats filled
- 77%
Airlines flying IAH to MIA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 33 | Boeing 737-800, Airbus A319, Boeing 737 MAX 8 | 198,746 | 2h 29m |
| United Airlines | 24 | Boeing 737 MAX 9, Boeing 737-800, Boeing 737 MAX 8 | 196,233 | 2h 32m |
| Frontier Airlines | 6 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 25,426 | 2h 30m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A321, Airbus A320neo | 54,806 | 2h 25m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 7,829 | 2h 29m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 750 | 2h 37m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to MIA flight schedule
15 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 5:10am and the last at 8:37pm. 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) |
|---|---|---|---|---|
| AA 1047American Airlines | 5:10am | 8:51am | 4 | 91% |
| AA 2144American Airlines | 5:18am | 8:57am | 27 | 92% |
| AA 1347American Airlines | 7:15am | 10:59am | 31 | 89% |
| UA 1966United Airlines | 7:25am | 11:12am | 10 | 90% |
| AA 2731American Airlines | 9:41am | 1:25pm | 12 | 67% |
| F9 1462Frontier Airlines | 10:49am | 2:33pm | 6 | 72% |
| AA 1465American Airlines | 11:01am | 2:45pm | 24 | 81% |
| AA 1918American Airlines | 11:20am | 3:01pm | 4 | 56% |
| UA 410United Airlines | 12:11pm | 3:55pm | 31 | 81% |
| AA 4075American Airlines · operated by Envoy Air | 1:30pm | 5:11pm | 8 | n/a |
| UA 2740United Airlines | 4:50pm | 8:33pm | 10 | 75% |
| AA 1931American Airlines | 6:12pm | 9:50pm | 4 | 41% |
| AA 678American Airlines | 6:23pm | 10:04pm | 24 | 61% |
| UA 1829United Airlines | 6:50pm | 10:34pm | 27 | 78% |
| F9 1068Frontier Airlines | 8:37pm | 12:21am | 25 | 68% |
Is IAH to MIA on time?
From September 2025 to August 2026, 79% of 3,665 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 5am were the most punctual (92%), those around 5pm the least (64%). Most delay time was caused by late-arriving aircraft (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,708 | 79% | 24 min | 1.1% |
| United Airlines | 1,438 | 82% | 11 min | 0.3% |
| Spirit Airlines | 323 | 69% | 26 min | 3.7% |
| Frontier Airlines | 196 | 69% | 53 min | 6.1% |
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 |
|---|---|---|---|
| 5am to 6am | 393 | 92% | |
| 7am to 8am | 671 | 90% | |
| 9am to 10am | 251 | 80% | |
| 10am to 11am | 112 | 80% | |
| 11am to 12pm | 246 | 76% | |
| 12pm to 1pm | 359 | 83% | |
| 2pm to 3pm | 218 | 74% | |
| 3pm to 4pm | 75 | 71% | |
| 4pm to 5pm | 241 | 72% | |
| 5pm to 6pm | 192 | 64% | |
| 6pm to 7pm | 599 | 69% | |
| 7pm to 8pm | 114 | 76% | |
| 8pm to 9pm | 121 | 65% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 294 | 38,292 | |
| September 2025 | 275 | 32,485 | |
| October 2025 | 303 | 39,259 | |
| November 2025 | 328 | 41,156 | |
| December 2025 | 337 | 46,559 | |
| January 2026 | 335 | 40,601 | |
| February 2026 | 305 | 36,779 | |
| March 2026 | 332 | 44,927 | |
| April 2026 | 306 | 36,558 | |
| May 2026 | 294 | 41,836 | |
| June 2026 | 274 | 42,825 | |
| July 2026 | 280 | 42,513 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.