Flight Check

Best Airline: ATL to DAL

Atlanta to Dallas — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to DAL route with a 83% on-time rate, compared to Southwest Airlines at 78%. Based on 6,380 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 Lines83%
Southwest Airlines78%

ATL to DAL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest83%1.3%65m6,380
Southwest AirlinesWNWorst78%1.3%54m6,007

Route Overview

80%
Overall On-Time
59m
Avg Delay
1.3%
Cancel Rate
12,387
Total Flights
ATL to DAL Route DetailsReturn: DAL to ATL
ATL AirportDAL Airport

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