Santa Ana (SNA) to Houston (IAH) flights
United Airlines flies nonstop from John Wayne Orange County International Airport to George Bush Intercontinental Airport, with about 21 flights a week in July 2026. The 1,346-mile flight takes about 3h 12m gate to gate.
- Distance
- 1,346 mi · 2,166 km
- Flight time
- 3h 12m
- Airlines
- 1
- Seats filled
- 85%
Airlines flying SNA to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 21 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 144,064 | 3h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SNA to IAH flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:13am and the last at 3:10pm. 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 700United Airlines | 8:13am | 1:32pm | 31 | 93% |
| UA 2050United Airlines | 11:58am | 5:20pm | 10 | 67% |
| UA 2044United Airlines | 12:03pm | 5:21pm | 21 | 76% |
| UA 643United Airlines | 3:10pm | 8:29pm | 31 | 86% |
Is SNA to IAH on time?
From September 2025 to August 2026, 88% of 1,092 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 8am were the most punctual (97%), those around 11am the least (69%). Most delay time was caused by air traffic control and airport congestion (48%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,092 | 88% | 9 min | 0% |
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 |
|---|---|---|---|
| 7am to 8am | 82 | 92% | |
| 8am to 9am | 283 | 97% | |
| 11am to 12pm | 81 | 69% | |
| 12pm to 1pm | 283 | 90% | |
| 3pm to 4pm | 352 | 85% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 93 | 10,981 | |
| September 2025 | 90 | 11,559 | |
| October 2025 | 92 | 11,918 | |
| November 2025 | 89 | 11,682 | |
| December 2025 | 93 | 12,306 | |
| January 2026 | 93 | 11,534 | |
| February 2026 | 84 | 11,050 | |
| March 2026 | 91 | 13,488 | |
| April 2026 | 90 | 12,588 | |
| May 2026 | 94 | 12,148 | |
| June 2026 | 91 | 12,743 | |
| July 2026 | 91 | 12,232 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.