Flight Check

Best Airline: AUS to ATL

Austin to Atlanta — airline reliability comparison

Delta Air Lines is the most reliable airline on the AUS to ATL route with a 86% on-time rate, compared to Frontier Airlines at 48%. Based on 10,860 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines86%
Southwest Airlines81%
Frontier Airlines48%

AUS to ATL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest86%1.2%71m10,860
Southwest AirlinesWN81%0.7%54m4,297
Frontier AirlinesF9Worst48%3.5%84m434

Route Overview

83%
Overall On-Time
65m
Avg Delay
1.1%
Cancel Rate
15,604
Total Flights
AUS to ATL Route DetailsReturn: ATL to AUS
AUS AirportATL Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.