Houston (HOU) to Ontario (ONT) flights
Southwest Airlines flies nonstop from William P. Hobby Airport to Ontario International Airport, with about 7 flights a week in July 2026. The 1,345-mile flight takes about 3h 17m gate to gate.
- Distance
- 1,345 mi · 2,165 km
- Flight time
- 3h 17m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying HOU to ONT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 43,718 | 3h 17m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
HOU to ONT flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 8:05am and the last at 8:50pm. 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) |
|---|---|---|---|---|
| WN 1379Southwest Airlines | 8:05am | 9:15am | 12 | 100% |
| WN 672Southwest Airlines | 8:25am | 9:35am | 4 | n/a |
| WN 2014Southwest Airlines | 12:45pm | 2:00pm | 4 | n/a |
| WN 570Southwest Airlines | 8:50pm | 10:05pm | 8 | 81% |
Is HOU to ONT on time?
From September 2025 to August 2026, 79% of 363 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 8am were the most punctual (91%), those around 9pm the least (62%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 363 | 79% | 13 min | 0.3% |
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 | 46 | 84% | |
| 8am to 9am | 65 | 91% | |
| 12pm to 1pm | 15 | 86% | |
| 1pm to 2pm | 24 | 63% | |
| 2pm to 3pm | 44 | 77% | |
| 3pm to 4pm | 38 | 82% | |
| 5pm to 6pm | 24 | 71% | |
| 6pm to 7pm | 11 | 91% | |
| 8pm to 9pm | 23 | 65% | |
| 9pm to 10pm | 51 | 62% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 30 | 3,484 | |
| September 2025 | 30 | 3,595 | |
| October 2025 | 30 | 3,957 | |
| November 2025 | 29 | 3,653 | |
| December 2025 | 31 | 3,989 | |
| January 2026 | 30 | 2,982 | |
| February 2026 | 27 | 2,424 | |
| March 2026 | 31 | 3,430 | |
| April 2026 | 30 | 3,960 | |
| May 2026 | 31 | 4,375 | |
| June 2026 | 30 | 3,811 | |
| July 2026 | 32 | 4,058 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.