Flight Check

Best Airline: BOS to RDU

Boston to Raleigh — airline reliability comparison

Republic Airways is the most reliable airline on the BOS to RDU route with a 88% on-time rate, compared to JetBlue Airways at 74%. Based on 255 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 Airways88%
Delta Air Lines80%
Frontier Airlines75%
JetBlue Airways74%

BOS to RDU Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest88%2.1%64m255
Delta Air LinesDL80%1.8%85m5,268
Frontier AirlinesF975%0.5%65m337
JetBlue AirwaysB6Worst74%2.3%72m4,527

Route Overview

78%
Overall On-Time
77m
Avg Delay
1.9%
Cancel Rate
10,516
Total Flights
BOS to RDU Route DetailsReturn: RDU to BOS
BOS AirportRDU Airport

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