Ontario (ONT) to Houston (HOU) flights
Southwest Airlines flies nonstop from Ontario International Airport to William P. Hobby Airport, with about 7 flights a week in July 2026. The 1,345-mile flight takes about 3h 1m gate to gate.
- Distance
- 1,345 mi · 2,165 km
- Flight time
- 3h 1m
- Airlines
- 1
- Seats filled
- 80%
Airlines flying ONT to HOU
| 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 | 49,578 | 3h 1m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ONT to HOU flight schedule
3 flight numbers flew this route in August 2026. The first usually leaves at 10:10am and the last at 12:30pm. 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 1080Southwest Airlines | 10:10am | 3:15pm | 4 | n/a |
| WN 3453Southwest Airlines | 11:00am | 4:05pm | 12 | 42% |
| WN 3079Southwest Airlines | 12:30pm | 5:35pm | 12 | 75% |
Is ONT to HOU on time?
From September 2025 to August 2026, 63% of 363 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 5am were the most punctual (96%), those around 2pm the least (31%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 363 | 63% | 18 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 |
|---|---|---|---|
| 5am to 6am | 75 | 96% | |
| 6am to 7am | 22 | 96% | |
| 9am to 10am | 31 | 71% | |
| 11am to 12pm | 32 | 66% | |
| 12pm to 1pm | 60 | 55% | |
| 1pm to 2pm | 72 | 47% | |
| 2pm to 3pm | 64 | 31% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 30 | 4,094 | |
| September 2025 | 30 | 4,219 | |
| October 2025 | 30 | 3,999 | |
| November 2025 | 29 | 4,003 | |
| December 2025 | 31 | 4,434 | |
| January 2026 | 31 | 3,618 | |
| February 2026 | 28 | 3,367 | |
| March 2026 | 31 | 4,370 | |
| April 2026 | 30 | 4,296 | |
| May 2026 | 31 | 4,508 | |
| June 2026 | 30 | 4,298 | |
| July 2026 | 31 | 4,372 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.