Austin (AUS) to Harlingen/San Benito (HRL): On-Time Performance
Data through May 2026
When you fly AUS to HRL matters as much as anything else about the booking: the route swung from 92% on-time in November 2024 to just 56% in July 2025. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 66%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.8
- last 12 months
- Duration
- 1h 10m
- scheduled
- Distance
- 273 mi
Best airline from AUS to HRL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 80% | 13 min | 2.5% | 244 |
| Southwest Airlines | 78% | 13 min | 1.1% | 1,291 |
Monthly on-time trend
Best time to fly from AUS to HRL
Aim for departures around 10 a.m. (93% on-time); avoid 8 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 10 min |
| Tuesdaybest | 85% | 12 min |
| Wednesday | 79% | 12 min |
| Thursday | 73% | 17 min |
| Friday | 81% | 12 min |
| Saturday | 73% | 15 min |
| Sunday | 77% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations29%
- National airspace system4%
- Weather4%
Frequently asked questions
- How often are flights from AUS to HRL delayed?
- 22% of AUS–HRL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from AUS to HRL?
- SkyWest Airlines has the best on-time record on this route at 80%, based on 244 flights. 2 airlines flew AUS–HRL frequently enough to compare in this period.
- What is the best time of day to fly from AUS to HRL?
- Departures around 10 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AUS to HRL?
- The scheduled AUS–HRL flight time averages 1h 10m over 273 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are AUS to HRL flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from AUS to HRL?
- July 2025 was the roughest month in this dataset, with only 56% of arrivals on time. The best was November 2024 at 92%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,535 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.