Flight Check

Best Airline: RDU to BOS

Raleigh to Boston — airline reliability comparison

Republic Airways is the most reliable airline on the RDU to BOS route with a 86% on-time rate, compared to JetBlue Airways at 77%. Based on 257 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 Airways86%
Delta Air Lines82%
Frontier Airlines80%
JetBlue Airways77%

RDU to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest86%3.6%68m257
Delta Air LinesDL82%1.8%97m5,266
Frontier AirlinesF980%1.0%42m337
JetBlue AirwaysB6Worst77%2.3%84m4,526

Route Overview

80%
Overall On-Time
89m
Avg Delay
1.9%
Cancel Rate
10,516
Total Flights
RDU to BOS Route DetailsReturn: BOS to RDU
RDU AirportBOS Airport

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