Flight Check

Best Airline: EWR to BUF

Newark to Buffalo — airline reliability comparison

Republic Airways is the most reliable airline on the EWR to BUF route with a 87% on-time rate, compared to United Airlines at 62%. Based on 1,642 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Republic Airways87%
United Airlines62%

EWR to BUF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest87%3.9%56m1,642
United AirlinesUAWorst62%3.8%71m924

Route Overview

78%
Overall On-Time
67m
Avg Delay
4.4%
Cancel Rate
2,594
Total Flights
EWR to BUF Route DetailsReturn: BUF to EWR
EWR AirportBUF Airport

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