Flight Check

Best Airline: BOS to BUF

Boston to Buffalo — airline reliability comparison

Republic Airways is the most reliable airline on the BOS to BUF route with a 83% on-time rate, compared to Delta Air Lines at 68%. Based on 305 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%
79%
JetBlue Airways76%
Delta Air Lines68%

BOS to BUF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest83%2.4%62m305
MQ79%0.0%84m61
JetBlue AirwaysB676%2.1%71m3,243
Delta Air LinesDLWorst68%3.7%75m195

Route Overview

77%
Overall On-Time
70m
Avg Delay
2%
Cancel Rate
3,825
Total Flights
BOS to BUF Route DetailsReturn: BUF to BOS
BOS AirportBUF Airport

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