AUS to ATL flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to Hartsfield Jackson Atlanta International Airport · 813 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Atlanta (ATL) arrived on time 82% 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.
- Delta Air Lines was the most punctual airline here (86% on time); Frontier Airlines was the least (51%).
- Departures scheduled around 5am did best (96% on time); around 4pm did worst (62%).
- Wednesday was the most reliable day to fly (88% on time) and Sunday the least (74%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from AUS to ATL?
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 |
|---|---|---|---|---|---|
| American Airlines | 100% | 0.0% | 0 min | 0.0% | 1 |
| Delta Air Lines | 86% | 1.4% | 11 min | 4.9% | 3,201 |
| Southwest Airlines | 78% | 0.6% | 13 min | 7.0% | 1,036 |
| Frontier Airlines | 51% | 2.8% | 38 min | 17.7% | 285 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am96%417 flights
- 6am94%399 flights
- 8am88%440 flights
- 9am96%176 flights
- 10am91%374 flights
- 11am87%55 flights
- 12pm81%403 flights
- 1pm82%443 flights
- 2pm72%272 flights
- 3pm76%366 flights
- 4pm62%163 flights
- 5pm69%534 flights
- 6pm71%359 flights
- 7pm78%65 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%2.0% cancelled
- Tuesday87%0.8% cancelled
- Wednesday88%0.2% cancelled
- Thursday83%0.1% cancelled
- Friday79%1.0% cancelled
- Saturday86%2.4% cancelled
- Sunday74%2.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion25%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)64%
- Extreme weather36%
- Air traffic control & airport congestion0%
- Security0%
AUS to ATL: common questions
- How often are AUS to ATL flights on time?
- 82% 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 Austin to Atlanta cancelled?
- 1.3% of scheduled flights were cancelled (59 of 4,523).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 6.2% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to AUS — 81% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.