Atlanta (ATL) to Austin (AUS): On-Time Performance
Data through July 2026
Atlanta (ATL) to Austin (AUS) effectively runs on two schedules. In February 2026, 93% of arrivals were on time; in July 2024 that fell to 54% — a 39-point seasonal swing. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 68%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 12
- last 12 months
- Duration
- 2h 31m
- scheduled
- Distance
- 813 mi
Best airline from ATL to AUS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 81% | 11 min | 0.5% | 2,346 |
| Delta Air Lines | 77% | 15 min | 1.5% | 6,523 |
| Frontier Airlines | 65% | 28 min | 2.7% | 443 |
Monthly on-time trend
Best time to fly from ATL to AUS
Aim for departures around 7 a.m. (96% on-time); avoid 9 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 16 min |
| Tuesday | 82% | 11 min |
| Wednesdaybest | 85% | 10 min |
| Thursday | 77% | 14 min |
| Friday | 76% | 15 min |
| Saturday | 80% | 12 min |
| Sunday | 70% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations41%
- National airspace system23%
- Weather4%
Frequently asked questions
- How often are flights from ATL to AUS delayed?
- 23% of ATL–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 14 minutes.
- Which airline is most reliable from ATL to AUS?
- Southwest Airlines has the best on-time record on this route at 81%, based on 2,346 flights. 3 airlines flew ATL–AUS frequently enough to compare in this period.
- What is the best time of day to fly from ATL to AUS?
- Departures around 7 a.m. have the best record (96% on-time), while departures around 9 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to AUS?
- The scheduled ATL–AUS flight time averages 2h 31m over 813 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are ATL to AUS flights cancelled?
- 1.3% 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 ATL to AUS?
- July 2024 was the roughest month in this dataset, with only 54% of arrivals on time. The best was February 2026 at 93%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 9,318 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.