Flight Check

Best Airline: LAX to DCA

Los Angeles to Washington — airline reliability comparison

Delta Air Lines is the most reliable airline on the LAX to DCA route with a 86% on-time rate, compared to Alaska Airlines at 74%. Based on 1,302 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%
American Airlines83%
Alaska Airlines74%

LAX to DCA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest86%1.5%71m1,302
American AirlinesAA83%0.8%67m2,613
Alaska AirlinesASWorst74%0.9%57m1,303

Route Overview

82%
Overall On-Time
67m
Avg Delay
1%
Cancel Rate
5,218
Total Flights
LAX to DCA Route DetailsReturn: DCA to LAX
LAX AirportDCA Airport

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