San Diego (SAN) to Houston (HOU) flights
Southwest Airlines flies nonstop from San Diego International Airport to William P. Hobby Airport, with about 20 flights a week in July 2026. The 1,313-mile flight takes about 3h 3m gate to gate.
- Distance
- 1,313 mi · 2,113 km
- Flight time
- 3h 3m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying SAN to HOU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 20 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 118,154 | 3h 3m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAN to HOU flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:20am and the last at 7:25pm. 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 1894Southwest Airlines | 6:20am | 11:40am | 28 | 71% |
| WN 28Southwest Airlines | 7:20am | 12:35pm | 4 | n/a |
| WN 3423Southwest Airlines | 8:35am | 1:50pm | 8 | n/a |
| WN 3424Southwest Airlines | 12:35pm | 5:50pm | 24 | 29% |
| WN 4655Southwest Airlines | 7:25pm | 12:35am | 16 | 31% |
Is SAN to HOU on time?
From September 2025 to August 2026, 70% of 985 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 2pm the least (54%). Most delay time was caused by late-arriving aircraft (60%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 985 | 70% | 15 min | 0.4% |
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 | 194 | 93% | |
| 7am to 8am | 116 | 84% | |
| 8am to 9am | 21 | 100% | |
| 12pm to 1pm | 132 | 65% | |
| 1pm to 2pm | 68 | 57% | |
| 2pm to 3pm | 97 | 54% | |
| 4pm to 5pm | 35 | 37% | |
| 5pm to 6pm | 31 | 81% | |
| 6pm to 7pm | 98 | 58% | |
| 7pm to 8pm | 106 | 57% | |
| 8pm to 9pm | 54 | 56% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 66 | 8,655 | |
| September 2025 | 60 | 7,798 | |
| October 2025 | 88 | 10,688 | |
| November 2025 | 85 | 10,208 | |
| December 2025 | 90 | 10,851 | |
| January 2026 | 72 | 7,830 | |
| February 2026 | 70 | 7,987 | |
| March 2026 | 84 | 11,072 | |
| April 2026 | 85 | 10,415 | |
| May 2026 | 88 | 10,855 | |
| June 2026 | 85 | 11,082 | |
| July 2026 | 88 | 10,713 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.