Harlingen/San Benito (HRL) to Austin (AUS): On-Time Performance
Data through May 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 65% in July 2024. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (96% vs 72%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.8
- last 12 months
- Duration
- 1h 13m
- scheduled
- Distance
- 273 mi
Best airline from HRL to AUS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 85% | 10 min | 1.1% | 1,291 |
| SkyWest Airlines | 77% | 17 min | 2.5% | 244 |
Monthly on-time trend
Best time to fly from HRL to AUS
Aim for departures around 7 a.m. (97% on-time); avoid 2 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 11 min |
| Tuesdaybest | 88% | 9 min |
| Wednesday | 86% | 9 min |
| Thursday | 81% | 12 min |
| Friday | 81% | 12 min |
| Saturday | 80% | 13 min |
| Sunday | 83% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations37%
- National airspace system16%
- Weather6%
Frequently asked questions
- How often are flights from HRL to AUS delayed?
- 17% of HRL–AUS 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 11 minutes.
- Which airline is most reliable from HRL to AUS?
- Southwest Airlines has the best on-time record on this route at 85%, based on 1,291 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 7 a.m. have the best record (97% on-time), while departures around 2 p.m. have the worst (58%). 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 17% of the time.
- How often are HRL to AUS 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 HRL to AUS?
- July 2024 was the roughest month in this dataset, with only 65% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 28-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.