Harlingen/San Benito (HRL) to Austin (AUS): On-Time Performance
Data through July 2026
When you fly HRL to AUS matters as much as anything else about the booking: the route swung from 93% on-time in November 2024 to just 64% in July 2026. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 70%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.9
- last 12 months
- Duration
- 1h 13m
- scheduled
- Distance
- 273 mi
Best airline from HRL to AUS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 83% | 11 min | 0.9% | 1,405 |
| SkyWest Airlines | 77% | 17 min | 2.5% | 244 |
Monthly on-time trend
Best time to fly from HRL to AUS
Aim for departures around 6 a.m. (96% on-time); avoid 2 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 11 min |
| Tuesdaybest | 84% | 11 min |
| Wednesday | 84% | 10 min |
| Thursday | 81% | 12 min |
| Friday | 79% | 15 min |
| Saturday | 79% | 14 min |
| Sunday | 82% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations35%
- National airspace system15%
- Weather5%
Frequently asked questions
- How often are flights from HRL to AUS delayed?
- 18% of HRL–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from HRL to AUS?
- Southwest Airlines has the best on-time record on this route at 83%, based on 1,405 flights. 2 airlines flew HRL–AUS frequently enough to compare in this period.
- What is the best time of day to fly from HRL to AUS?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 2 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HRL to AUS?
- The scheduled HRL–AUS flight time averages 1h 13m over 273 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are HRL to AUS flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from HRL to AUS?
- July 2026 was the roughest month in this dataset, with only 64% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 1,649 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.