New Orleans (MSY) to Houston (IAH) flights
United Airlines, Mesa Airlines fly nonstop from Louis Armstrong New Orleans International Airport to George Bush Intercontinental Airport, with about 54 flights a week in July 2026. The 305-mile flight takes about 1h 21m gate to gate.
- Distance
- 305 mi · 491 km
- Flight time
- 1h 21m
- Airlines
- 2
- Seats filled
- 71%
Airlines flying MSY to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 47 | Boeing 737-900, Airbus A319, Boeing 737-700 / MAX 7 | 310,764 | 1h 21m |
| Mesa Airlines | 6 | Embraer E175 | 7,321 | 1h 16m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 13,992 | 1h 14m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321 | 2,753 | 1h 25m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MSY to IAH flight schedule
12 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 5:05am and the last at 7:13pm. 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 5277United Airlines · operated by SkyWest Airlines | 5:05am | 6:29am | 20 | 85% |
| UA 2744United Airlines | 5:15am | 6:34am | 10 | 94% |
| UA 2124United Airlines | 7:00am | 8:22am | 31 | 73% |
| UA 2105United Airlines | 9:53am | 11:15am | 31 | 90% |
| UA 2253United Airlines | 12:03pm | 1:25pm | 30 | 82% |
| UA 2296United Airlines | 2:15pm | 3:39pm | 31 | 86% |
| UA 313United Airlines | 3:43pm | 5:02pm | 10 | 65% |
| UA 1532United Airlines | 3:45pm | 5:09pm | 21 | 81% |
| UA 1444United Airlines | 5:32pm | 6:59pm | 18 | 80% |
| UA 2341United Airlines | 5:35pm | 7:02pm | 8 | 68% |
| UA 5287United Airlines · operated by SkyWest Airlines | 6:35pm | 8:10pm | 17 | 94% |
| UA 6273United Airlines · operated by Mesa Airlines | 7:13pm | 8:40pm | 9 | 88% |
Is MSY to IAH on time?
From September 2025 to August 2026, 84% of 3,042 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 5pm the least (70%). Most delay time was caused by late-arriving aircraft (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,913 | 84% | 13 min | 0.4% |
| Spirit Airlines | 102 | 82% | 14 min | 0% |
| Frontier Airlines | 27 | 81% | 59 min | 3.7% |
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 | 359 | 94% | |
| 7am to 8am | 361 | 80% | |
| 9am to 10am | 365 | 91% | |
| 11am to 12pm | 205 | 90% | |
| 12pm to 1pm | 164 | 81% | |
| 2pm to 3pm | 365 | 86% | |
| 3pm to 4pm | 362 | 77% | |
| 5pm to 6pm | 371 | 70% | |
| 7pm to 8pm | 303 | 86% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 272 | 24,259 | |
| September 2025 | 281 | 27,905 | |
| October 2025 | 288 | 32,882 | |
| November 2025 | 254 | 28,800 | |
| December 2025 | 248 | 28,056 | |
| January 2026 | 240 | 22,702 | |
| February 2026 | 243 | 26,724 | |
| March 2026 | 265 | 28,343 | |
| April 2026 | 273 | 27,964 | |
| May 2026 | 250 | 30,221 | |
| June 2026 | 240 | 29,671 | |
| July 2026 | 237 | 28,694 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.