San Antonio (SAT) to Houston (HOU) flights
Southwest Airlines flies nonstop from San Antonio International Airport to William P. Hobby Airport, with about 23 flights a week in July 2026. The 192-mile flight takes about 58m gate to gate.
- Distance
- 192 mi · 309 km
- Flight time
- 58m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying SAT to HOU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 23 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 135,344 | 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAT to HOU flight schedule
9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:00am and the last at 7:30pm. 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 3188Southwest Airlines | 6:00am | 7:00am | 28 | 86% |
| WN 342Southwest Airlines | 8:35am | 9:30am | 4 | n/a |
| WN 3498Southwest Airlines | 12:20pm | 1:15pm | 4 | n/a |
| WN 4547Southwest Airlines | 12:55pm | 1:55pm | 8 | n/a |
| WN 1049Southwest Airlines | 1:00pm | 2:00pm | 12 | 83% |
| WN 4636Southwest Airlines | 3:40pm | 4:40pm | 4 | n/a |
| WN 4286Southwest Airlines | 4:20pm | 5:20pm | 8 | n/a |
| WN 1921Southwest Airlines | 6:50pm | 7:50pm | 12 | 50% |
| WN 1944Southwest Airlines | 7:30pm | 8:30pm | 4 | n/a |
Is SAT to HOU on time?
From September 2025 to August 2026, 75% of 1,298 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 5am were the most punctual (95%), those around 5pm the least (42%). Most delay time was caused by late-arriving aircraft (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,298 | 75% | 14 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 |
|---|---|---|---|
| 5am to 6am | 145 | 95% | |
| 6am to 7am | 172 | 94% | |
| 7am to 8am | 47 | 87% | |
| 8am to 9am | 94 | 88% | |
| 9am to 10am | 48 | 90% | |
| 11am to 12pm | 48 | 92% | |
| 12pm to 1pm | 152 | 62% | |
| 1pm to 2pm | 72 | 76% | |
| 4pm to 5pm | 90 | 70% | |
| 5pm to 6pm | 99 | 42% | |
| 6pm to 7pm | 174 | 57% | |
| 7pm to 8pm | 60 | 63% | |
| 8pm to 9pm | 65 | 66% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 148 | 13,954 | |
| September 2025 | 141 | 14,577 | |
| October 2025 | 140 | 15,069 | |
| November 2025 | 122 | 10,399 | |
| December 2025 | 122 | 11,753 | |
| January 2026 | 97 | 8,790 | |
| February 2026 | 84 | 8,844 | |
| March 2026 | 102 | 9,941 | |
| April 2026 | 98 | 9,484 | |
| May 2026 | 103 | 10,438 | |
| June 2026 | 99 | 11,067 | |
| July 2026 | 103 | 11,126 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.