Los Angeles (LAX) to Houston (IAH) flights
United Airlines, Delta Air Lines, SkyWest Airlines, Frontier Airlines fly nonstop from Los Angeles International Airport to George Bush Intercontinental Airport, with about 94 flights a week in July 2026. The 1,379-mile flight takes about 3h 16m gate to gate.
- Distance
- 1,379 mi · 2,219 km
- Flight time
- 3h 16m
- Airlines
- 4
- Seats filled
- 87%
Airlines flying LAX to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 68 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 757-200 | 544,003 | 3h 15m |
| Delta Air Lines | 12 | Airbus A319, Airbus A320-100/200 | 70,834 | 3h 13m |
| SkyWest Airlines | 7 | Embraer E175, Bombardier CRJ200, Bombardier CRJ700 | 25,536 | 3h 21m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 62,986 | 3h 25m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 64,420 | 3h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LAX to IAH flight schedule
19 flight numbers flew this route in August 2026, 10 of them almost daily. The first usually leaves at 12:51am and the last at 7:23pm. 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 491United Airlines | 12:51am | 6:11am | 31 | 91% |
| UA 654United Airlines | 5:45am | 11:09am | 22 | 95% |
| UA 1397United Airlines | 7:05am | 12:34pm | 10 | 95% |
| UA 1416United Airlines | 8:15am | 1:40pm | 31 | 92% |
| DL 1143Delta Air Lines | 9:50am | 3:14pm | 31 | 86% |
| UA 277United Airlines | 10:10am | 3:36pm | 31 | 88% |
| UA 1477United Airlines | 11:40am | 5:06pm | 18 | 78% |
| UA 2086United Airlines | 11:54am | 5:22pm | 8 | 86% |
| UA 1591United Airlines | 1:10pm | 6:39pm | 10 | 72% |
| UA 1084United Airlines | 1:15pm | 6:41pm | 21 | 81% |
| AA 5005American Airlines · operated by SkyWest Airlines | 2:11pm | 7:43pm | 4 | 77% |
| AA 4998American Airlines · operated by SkyWest Airlines | 2:15pm | 7:46pm | 27 | 63% |
| UA 2765United Airlines | 3:18pm | 8:40pm | 9 | n/a |
| UA 2377United Airlines | 4:35pm | 9:57pm | 31 | 86% |
| UA 2403United Airlines | 5:45pm | 11:14pm | 8 | 82% |
| F9 1756Frontier Airlines | 6:25pm | 11:56pm | 31 | 70% |
| DL 1287Delta Air Lines | 6:30pm | 11:54pm | 25 | 84% |
| UA 387United Airlines | 7:21pm | 12:50am | 9 | 88% |
| UA 1680United Airlines | 7:23pm | 12:45am | 12 | 87% |
Is LAX to IAH on time?
From September 2025 to August 2026, 85% of 5,143 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 1pm the least (71%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 3,420 | 87% | 7 min | 0.2% |
| Delta Air Lines | 648 | 85% | 12 min | 0.9% |
| American Airlines | 408 | 81% | 14 min | 0.5% |
| Frontier Airlines | 336 | 71% | 23 min | 1.5% |
| Spirit Airlines | 331 | 73% | 21 min | 1.5% |
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 |
|---|---|---|---|
| 12am to 1am | 458 | 88% | |
| 5am to 6am | 289 | 94% | |
| 6am to 7am | 128 | 96% | |
| 7am to 8am | 286 | 94% | |
| 8am to 9am | 460 | 92% | |
| 9am to 10am | 372 | 85% | |
| 10am to 11am | 418 | 87% | |
| 11am to 12pm | 297 | 83% | |
| 12pm to 1pm | 168 | 86% | |
| 1pm to 2pm | 553 | 71% | |
| 2pm to 3pm | 256 | 75% | |
| 3pm to 4pm | 163 | 79% | |
| 4pm to 5pm | 227 | 88% | |
| 5pm to 6pm | 129 | 84% | |
| 6pm to 7pm | 562 | 80% | |
| 7pm to 8pm | 197 | 83% | |
| 11pm to 12am | 177 | 88% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 439 | 65,341 | |
| September 2025 | 440 | 59,223 | |
| October 2025 | 497 | 70,931 | |
| November 2025 | 442 | 65,540 | |
| December 2025 | 444 | 70,235 | |
| January 2026 | 430 | 61,730 | |
| February 2026 | 400 | 58,890 | |
| March 2026 | 438 | 66,008 | |
| April 2026 | 435 | 65,353 | |
| May 2026 | 424 | 61,447 | |
| June 2026 | 391 | 60,993 | |
| July 2026 | 416 | 62,863 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.