ATL to AUS flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Austin Bergstrom International Airport · 813 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Austin (AUS) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.3% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (83% on time); Frontier Airlines was the least (66%).
- Departures scheduled around 8am did best (92% on time); around 8pm did worst (66%).
- Wednesday was the most reliable day to fly (89% on time) and Sunday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
Which airline is most on time from ATL to AUS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 83% | 0.6% | 10 min | 4.9% | 1,036 |
| Delta Air Lines | 81% | 1.4% | 11 min | 5.7% | 3,202 |
| Frontier Airlines | 66% | 2.5% | 27 min | 11.5% | 285 |
| American Airlines | 0% | 0.0% | 35 min | 0.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am97%117 flights
- 8am92%438 flights
- 9am87%403 flights
- 10am89%109 flights
- 11am87%474 flights
- 12pm86%393 flights
- 1pm81%87 flights
- 2pm81%497 flights
- 3pm72%494 flights
- 4pm65%66 flights
- 5pm73%416 flights
- 6pm73%199 flights
- 7pm71%214 flights
- 8pm66%164 flights
- 9pm64%56 flights
- 10pm79%365 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%2.0% cancelled
- Tuesday86%0.5% cancelled
- Wednesday89%0.2% cancelled
- Thursday82%0.4% cancelled
- Friday79%0.7% cancelled
- Saturday82%2.6% cancelled
- Sunday71%2.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)38%
- Late-arriving aircraft38%
- Air traffic control & airport congestion21%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)64%
- Extreme weather34%
- Air traffic control & airport congestion2%
- Security0%
ATL to AUS: common questions
- How often are ATL to AUS flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to Austin cancelled?
- 1.3% of scheduled flights were cancelled (59 of 4,524).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 57 min behind schedule on average, and 5.9% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to ATL — 82% on time
More flights from Atlanta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.