Flight Check

Best Airline: EWR to GSP

Newark to Greenville — airline reliability comparison

United Airlines is the most reliable airline on the EWR to GSP route with a 87% on-time rate, compared to Republic Airways at 85%. Based on 96 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

United Airlines87%
Republic Airways85%

EWR to GSP Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest87%0.0%36m96
Republic AirwaysYXWorst85%4.9%66m2,845

Route Overview

84%
Overall On-Time
68m
Avg Delay
4.9%
Cancel Rate
2,944
Total Flights
EWR to GSP Route DetailsReturn: GSP to EWR
EWR AirportGSP Airport

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