Flight Check

Best Airline: ATL to DCA

Atlanta to Washington — airline reliability comparison

American Airlines is the most reliable airline on the ATL to DCA route with a 83% on-time rate, compared to Delta Air Lines at 73%. Based on 511 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

American Airlines83%
Republic Airways79%
PSA Airlines77%
Southwest Airlines77%
76%
Delta Air Lines73%

ATL to DCA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
American AirlinesAABest83%1.6%97m511
Republic AirwaysYX79%2.7%66m2,487
PSA AirlinesOH77%5.4%132m2,663
Southwest AirlinesWN77%1.0%60m4,751
MQ76%5.2%57m437
Delta Air LinesDLWorst73%1.7%57m13,710

Route Overview

75%
Overall On-Time
67m
Avg Delay
2.1%
Cancel Rate
24,650
Total Flights
ATL to DCA Route DetailsReturn: DCA to ATL
ATL AirportDCA Airport

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