Austin (AUS) to Harlingen (HRL) flights
Southwest Airlines flies nonstop from Austin Bergstrom International Airport to Valley International Airport, with about 19 flights a week in July 2026. The 273-mile flight takes about 1h 0m gate to gate.
- Distance
- 273 mi · 439 km
- Flight time
- 1h 0m
- Airlines
- 1
- Seats filled
- 82%
Airlines flying AUS to HRL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 19 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 87,154 | 1h 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
AUS to HRL flight schedule
7 flight numbers flew this route in August 2026. The first usually leaves at 9:10am 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 3020Southwest Airlines | 9:10am | 10:20am | 12 | 100% |
| WN 2521Southwest Airlines | 9:40am | 10:50am | 8 | n/a |
| WN 590Southwest Airlines | 10:25am | 11:35am | 8 | n/a |
| WN 2497Southwest Airlines | 3:00pm | 4:05pm | 12 | 42% |
| WN 4987Southwest Airlines | 3:40pm | 4:45pm | 8 | n/a |
| WN 2527Southwest Airlines | 7:05pm | 8:10pm | 16 | 75% |
| WN 3033Southwest Airlines | 7:25pm | 8:30pm | 12 | 42% |
Is AUS to HRL on time?
From September 2025 to August 2026, 72% of 739 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 10am were the most punctual (97%), those around 3pm the least (47%). Most delay time was caused by late-arriving aircraft (69%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 739 | 72% | 18 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 |
|---|---|---|---|
| 8am to 9am | 27 | 85% | |
| 9am to 10am | 163 | 91% | |
| 10am to 11am | 95 | 97% | |
| 12pm to 1pm | 25 | 72% | |
| 3pm to 4pm | 47 | 47% | |
| 7pm to 8pm | 150 | 63% | |
| 8pm to 9pm | 91 | 59% | |
| 9pm to 10pm | 91 | 48% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 52 | 6,796 | |
| September 2025 | 52 | 6,409 | |
| October 2025 | 53 | 6,325 | |
| November 2025 | 54 | 7,239 | |
| December 2025 | 58 | 7,620 | |
| January 2026 | 56 | 5,177 | |
| February 2026 | 52 | 5,947 | |
| March 2026 | 54 | 6,502 | |
| April 2026 | 55 | 5,705 | |
| May 2026 | 57 | 6,816 | |
| June 2026 | 79 | 10,620 | |
| July 2026 | 84 | 11,998 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.