New York (LGA) to Houston (IAH) flights
United Airlines, Delta Air Lines fly nonstop from LaGuardia Airport to George Bush Intercontinental Airport, with about 74 flights a week in July 2026. The 1,416-mile flight takes about 3h 55m gate to gate.
- Distance
- 1,416 mi · 2,279 km
- Flight time
- 3h 55m
- Airlines
- 2
- Seats filled
- 84%
Airlines flying LGA to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 50 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737-700 / MAX 7 | 327,278 | 3h 54m |
| Delta Air Lines | 24 | Airbus A220-300, Airbus A220-100 | 133,788 | 3h 56m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 50,187 | 3h 51m |
| Mesa AirlinesSeasonal or ended | n/a | Embraer E175 | 13,495 | 4h 5m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 1,673 | 4h 24m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LGA to IAH flight schedule
17 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 6:00am and the last at 8:28pm. 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 2242United Airlines | 6:00am | 8:50am | 21 | 100% |
| UA 2371United Airlines | 6:00am | 8:44am | 10 | 92% |
| DL 2140Delta Air Lines | 7:00am | 9:44am | 31 | 89% |
| UA 1957United Airlines | 7:29am | 10:13am | 8 | 88% |
| UA 2291United Airlines | 7:29am | 10:21am | 18 | 83% |
| UA 2617United Airlines | 10:11am | 1:08pm | 31 | 85% |
| DL 2099Delta Air Lines | 10:50am | 1:32pm | 26 | 74% |
| UA 1439United Airlines | 12:29pm | 3:26pm | 18 | 94% |
| UA 692United Airlines | 12:31pm | 3:22pm | 8 | 78% |
| DL 2930Delta Air Lines | 1:50pm | 4:44pm | 31 | 72% |
| UA 2674United Airlines | 2:00pm | 4:57pm | 31 | 65% |
| UA 1794United Airlines | 3:39pm | 6:36pm | 26 | 62% |
| UA 1066United Airlines | 5:54pm | 8:52pm | 10 | 48% |
| UA 1496United Airlines | 5:58pm | 8:55pm | 21 | 52% |
| DL 2109Delta Air Lines | 6:29pm | 9:44pm | 27 | 61% |
| UA 2189United Airlines | 8:17pm | 11:15pm | 8 | 58% |
| UA 614United Airlines | 8:28pm | 11:25pm | 18 | 73% |
Is LGA to IAH on time?
From September 2025 to August 2026, 77% of 4,267 flights arrived within 15 minutes of schedule and 3.4% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 6pm the least (62%). Most delay time was caused by late-arriving aircraft (33%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,678 | 78% | 20 min | 2.7% |
| Delta Air Lines | 1,347 | 74% | 23 min | 4.5% |
| Spirit Airlines | 242 | 76% | 17 min | 4.5% |
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 |
|---|---|---|---|
| 6am to 7am | 569 | 90% | |
| 7am to 8am | 432 | 89% | |
| 8am to 9am | 132 | 86% | |
| 9am to 10am | 216 | 87% | |
| 10am to 11am | 455 | 76% | |
| 11am to 12pm | 133 | 71% | |
| 12pm to 1pm | 324 | 86% | |
| 1pm to 2pm | 310 | 72% | |
| 2pm to 3pm | 346 | 77% | |
| 3pm to 4pm | 341 | 65% | |
| 5pm to 6pm | 373 | 64% | |
| 6pm to 7pm | 307 | 62% | |
| 8pm to 9pm | 320 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 374 | 51,031 | |
| September 2025 | 369 | 46,468 | |
| October 2025 | 366 | 49,663 | |
| November 2025 | 352 | 46,557 | |
| December 2025 | 335 | 46,650 | |
| January 2026 | 343 | 35,296 | |
| February 2026 | 314 | 32,810 | |
| March 2026 | 338 | 39,072 | |
| April 2026 | 362 | 44,928 | |
| May 2026 | 342 | 43,807 | |
| June 2026 | 333 | 45,387 | |
| July 2026 | 328 | 45,402 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.