Flight Check

Best Airline: DCA to BOS

Washington to Boston — airline reliability comparison

Republic Airways is the most reliable airline on the DCA to BOS route with a 83% on-time rate, compared to American Airlines at 71%. Based on 13,656 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Republic Airways83%
Delta Air Lines77%
JetBlue Airways74%
72%
American Airlines71%

DCA to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest83%2.9%69m13,656
Delta Air LinesDL77%0.7%83m125
JetBlue AirwaysB674%2.8%84m12,400
MQ72%7.0%76m255
American AirlinesAAWorst71%2.5%86m7,468

Route Overview

77%
Overall On-Time
79m
Avg Delay
2.7%
Cancel Rate
33,923
Total Flights
DCA to BOS Route DetailsReturn: BOS to DCA
DCA AirportBOS Airport

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