Historical on-time performance
Austin to Atlanta
813 miData through May 2026Source: US DOT · BTS
Flights on AUS–ATL arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 4,360 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time83%Medianon timep9030 minCancel1.6%Flights3,263
- Southwest AirlinesOn-time77%Medianon timep9045 minCancel0.7%Flights1,036
- Frontier AirlinesOn-time49%Median15 minp9090 minCancel0.0%Flights61
Why flights run late
Delay causes
- Airline30%
- Weather3%
- Air traffic (NAS)22%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline58%
- Weather42%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 60 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly AUS → ATL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 5 min · 4,460 flights
- Middays85% on time · p90 20 min · 3,538 flights
- Afternoons74% on time · p90 50 min · 2,418 flights
- Overnights73% on time · p90 60 min · 296 flights
- Evenings69% on time · p90 55 min · 2,577 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Wednesdays86% on time · p90 20 min · 1,836 flights
- Tuesdays86% on time · p90 20 min · 1,845 flights
- Saturdays84% on time · p90 20 min · 1,591 flights
- Thursdays81% on time · p90 30 min · 2,010 flights
- Mondays80% on time · p90 35 min · 2,025 flights
- Fridays79% on time · p90 35 min · 2,026 flights
- Sundays77% on time · p90 40 min · 1,956 flights
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