Route Reliability
Austin → Atlanta
AUS–ATL · 813 miles · Austin–Bergstrom International Airport to Hartsfield–Jackson Atlanta International Airport
- 82%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 1.6%
- Cancelled
- 4,565
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines85%3,263 flights
- 2.Southwest Airlines79%1,036 flights
- 3.Frontier Airlines52%265 flights
Not enough history to rank: American Airlines (1 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
AUS–ATL flights departing between 3–6 AM arrived on time 97% of the time, versus 69% between 3–6 PM.
Sunday scaries are real for this one.
AUS–ATL flights arrived on time 87% of the time on Tuesdays. On Sundays: 75%.
Delta Air Lines has a clear lead on this route.
Delta Air Lines arrived on time 85% of the time on this route; Frontier Airlines managed 52%.
Recent months have been rougher.
AUS–ATL flights arrived on time 79% of the time over the last three months in the data, compared with 87% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(673 flights)
- Tue87%(624 flights)
- Wed85%(625 flights)
- Thu82%(678 flights)
- Fri80%(672 flights)
- Sat84%(531 flights)
- Sun75%(682 flights)
- 3–6 AM97%(374 flights)
- 6–9 AM91%(840 flights)
- 9 AM–12 PM92%(637 flights)
- 12–3 PM81%(1102 flights)
- 3–6 PM69%(1072 flights)
- 6–9 PM69%(460 flights)
Jun 69% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 388 |
| July 2025 | 72% | 402 |
| August 2025 | 83% | 399 |
| September 2025 | 91% | 385 |
| October 2025 | 86% | 406 |
| November 2025 | 84% | 370 |
| December 2025 | 84% | 358 |
| January 2026 | 89% | 330 |
| February 2026 | 90% | 330 |
| March 2026 | 78% | 372 |
| April 2026 | 82% | 363 |
| May 2026 | 76% | 382 |
Keep nerding
Based on 4,565 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.