Dallas (DAL) to Harlingen (HRL) flights
Southwest Airlines flies nonstop from Dallas Love Field to Valley International Airport, with about 8 flights a week in July 2026. The 458-mile flight takes about 1h 22m gate to gate.
- Distance
- 458 mi · 737 km
- Flight time
- 1h 22m
- Airlines
- 1
- Seats filled
- 89%
Airlines flying DAL to HRL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 8 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 49,997 | 1h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DAL to HRL flight schedule
5 flight numbers flew this route in August 2026. The first usually leaves at 11:55am and the last at 5:05pm. 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 1290Southwest Airlines | 11:55am | 1:20pm | 12 | 67% |
| WN 578Southwest Airlines | 12:15pm | 1:40pm | 4 | n/a |
| WN 2632Southwest Airlines | 1:25pm | 2:50pm | 7 | n/a |
| WN 884Southwest Airlines | 1:30pm | 2:55pm | 4 | n/a |
| WN 2379Southwest Airlines | 5:05pm | 6:30pm | 4 | n/a |
Is DAL to HRL on time?
From September 2025 to August 2026, 70% of 382 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 12pm were the most punctual (76%), those around 2pm the least (64%). Most delay time was caused by late-arriving aircraft (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 382 | 70% | 17 min | 0.5% |
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 |
|---|---|---|---|
| 9am to 10am | 15 | 73% | |
| 11am to 12pm | 44 | 75% | |
| 12pm to 1pm | 29 | 76% | |
| 1pm to 2pm | 42 | 76% | |
| 2pm to 3pm | 25 | 64% | |
| 3pm to 4pm | 64 | 66% | |
| 4pm to 5pm | 130 | 68% | |
| 5pm to 6pm | 18 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 32 | 4,327 | |
| September 2025 | 30 | 3,752 | |
| October 2025 | 31 | 4,446 | |
| November 2025 | 31 | 4,124 | |
| December 2025 | 33 | 4,569 | |
| January 2026 | 31 | 4,075 | |
| February 2026 | 28 | 3,983 | |
| March 2026 | 31 | 3,921 | |
| April 2026 | 30 | 3,548 | |
| May 2026 | 31 | 3,903 | |
| June 2026 | 34 | 4,485 | |
| July 2026 | 34 | 4,864 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.