Houston (HOU) to San Diego (SAN) flights
Southwest Airlines flies nonstop from William P. Hobby Airport to San Diego International Airport, with about 20 flights a week in July 2026. The 1,313-mile flight takes about 3h 15m gate to gate.
- Distance
- 1,313 mi · 2,113 km
- Flight time
- 3h 15m
- Airlines
- 1
- Seats filled
- 76%
Airlines flying HOU to SAN
| 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 | 121,241 | 3h 15m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
HOU to SAN flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:15am 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 2002Southwest Airlines | 6:15am | 7:25am | 16 | 81% |
| WN 3474Southwest Airlines | 9:25am | 10:40am | 8 | n/a |
| WN 2003Southwest Airlines | 12:15pm | 1:25pm | 28 | 61% |
| WN 298Southwest Airlines | 5:10pm | 6:20pm | 8 | n/a |
| WN 2004Southwest Airlines | 8:50pm | 10:05pm | 20 | 30% |
Is HOU to SAN on time?
From September 2025 to August 2026, 74% of 985 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 8am were the most punctual (91%), those around 7pm the least (53%). Most delay time was caused by late-arriving aircraft (39%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 985 | 74% | 13 min | 0.7% |
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 | 30 | 86% | |
| 6am to 7am | 35 | 97% | |
| 7am to 8am | 48 | 83% | |
| 8am to 9am | 230 | 91% | |
| 9am to 10am | 23 | 86% | |
| 11am to 12pm | 34 | 78% | |
| 12pm to 1pm | 69 | 74% | |
| 1pm to 2pm | 67 | 64% | |
| 2pm to 3pm | 55 | 67% | |
| 3pm to 4pm | 21 | 29% | |
| 4pm to 5pm | 46 | 74% | |
| 5pm to 6pm | 67 | 75% | |
| 6pm to 7pm | 52 | 67% | |
| 7pm to 8pm | 80 | 53% | |
| 8pm to 9pm | 108 | 61% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 65 | 8,544 | |
| September 2025 | 59 | 7,858 | |
| October 2025 | 86 | 10,373 | |
| November 2025 | 81 | 9,306 | |
| December 2025 | 91 | 11,120 | |
| January 2026 | 71 | 7,792 | |
| February 2026 | 71 | 7,945 | |
| March 2026 | 83 | 10,180 | |
| April 2026 | 85 | 11,001 | |
| May 2026 | 85 | 11,555 | |
| June 2026 | 86 | 12,501 | |
| July 2026 | 89 | 13,066 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.