Houston (IAH) to Gulfport (GPT) flights
CommuteAir flies nonstop from George Bush Intercontinental Airport to Gulfport Biloxi International Airport, with about 21 flights a week in July 2026. The 377-mile flight takes about 1h 22m gate to gate.
- Distance
- 377 mi · 607 km
- Flight time
- 1h 22m
- Airlines
- 1
- Seats filled
- 87%
Airlines flying IAH to GPT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 21 | Embraer ERJ-145 | 47,042 | 1h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to GPT flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 11:55am and the last at 8:14pm. 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) |
|---|---|---|---|---|
| UA 4272United Airlines · operated by CommuteAir | 11:55am | 1:24pm | 31 | 85% |
| UA 4273United Airlines · operated by CommuteAir | 2:40pm | 4:12pm | 31 | 88% |
| UA 5004United Airlines · operated by CommuteAir | 6:09pm | 7:38pm | 26 | 86% |
| UA 4337United Airlines · operated by CommuteAir | 8:14pm | 9:45pm | 7 | 88% |
Is IAH to GPT on time?
From September 2025 to August 2026, 85% of 1,089 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 2pm were the most punctual (88%), those around 8pm the least (76%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,089 | 85% | 12 min | 1.2% |
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 |
|---|---|---|---|
| 9am to 10am | 31 | 90% | |
| 11am to 12pm | 315 | 84% | |
| 12pm to 1pm | 42 | 85% | |
| 2pm to 3pm | 324 | 88% | |
| 6pm to 7pm | 246 | 86% | |
| 8pm to 9pm | 111 | 76% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 99 | 4,287 | |
| September 2025 | 88 | 3,786 | |
| October 2025 | 103 | 4,500 | |
| November 2025 | 101 | 3,984 | |
| December 2025 | 88 | 3,744 | |
| January 2026 | 82 | 3,637 | |
| February 2026 | 76 | 3,543 | |
| March 2026 | 85 | 3,759 | |
| April 2026 | 82 | 3,640 | |
| May 2026 | 95 | 4,279 | |
| June 2026 | 90 | 3,863 | |
| July 2026 | 94 | 4,183 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.