Houston (HOU) to Harlingen (HRL) flights
Southwest Airlines flies nonstop from William P. Hobby Airport to Valley International Airport, with about 21 flights a week in July 2026. The 277-mile flight takes about 59m gate to gate.
- Distance
- 277 mi · 446 km
- Flight time
- 59m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying HOU to HRL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 21 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 147,489 | 59m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
HOU to HRL flight schedule
7 flight numbers flew this route in August 2026. The first usually leaves at 10:10am and the last at 9:30pm. 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 2447Southwest Airlines | 10:10am | 11:20am | 12 | 100% |
| WN 1734Southwest Airlines | 11:50am | 1:00pm | 16 | 94% |
| WN 1227Southwest Airlines | 1:30pm | 2:35pm | 4 | n/a |
| WN 2444Southwest Airlines | 2:45pm | 3:50pm | 16 | 69% |
| WN 2913Southwest Airlines | 4:10pm | 5:15pm | 12 | 75% |
| WN 4588Southwest Airlines | 8:40pm | 9:45pm | 16 | 56% |
| WN 2615Southwest Airlines | 9:30pm | 10:35pm | 12 | 50% |
Is HOU to HRL on time?
From September 2025 to August 2026, 76% of 1,165 flights arrived within 15 minutes of schedule and 0.2% were cancelled. Flights leaving around 7am were the most punctual (96%), those around 10pm the least (51%). Most delay time was caused by late-arriving aircraft (56%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,165 | 76% | 12 min | 0.2% |
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 | 68 | 96% | |
| 8am to 9am | 79 | 92% | |
| 9am to 10am | 64 | 91% | |
| 10am to 11am | 107 | 87% | |
| 11am to 12pm | 65 | 83% | |
| 1pm to 2pm | 54 | 93% | |
| 2pm to 3pm | 66 | 73% | |
| 3pm to 4pm | 78 | 74% | |
| 4pm to 5pm | 117 | 73% | |
| 5pm to 6pm | 31 | 68% | |
| 6pm to 7pm | 60 | 68% | |
| 8pm to 9pm | 105 | 80% | |
| 9pm to 10pm | 120 | 61% | |
| 10pm to 11pm | 132 | 51% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 113 | 14,736 | |
| September 2025 | 112 | 13,639 | |
| October 2025 | 119 | 14,981 | |
| November 2025 | 105 | 12,266 | |
| December 2025 | 107 | 13,351 | |
| January 2026 | 92 | 9,014 | |
| February 2026 | 87 | 10,464 | |
| March 2026 | 90 | 11,333 | |
| April 2026 | 86 | 10,518 | |
| May 2026 | 88 | 12,328 | |
| June 2026 | 90 | 11,871 | |
| July 2026 | 92 | 13,017 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.