Flight Check

Best Airline: ATL to GSP

Atlanta to Greenville — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to GSP route with a 85% on-time rate, compared to Endeavor Air at 83%. Based on 9,058 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines85%
Southwest Airlines84%
Endeavor Air83%

ATL to GSP Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest85%1.0%57m9,058
Southwest AirlinesWN84%0.3%43m1,491
Endeavor Air9EWorst83%0.0%22m54

Route Overview

84%
Overall On-Time
55m
Avg Delay
0.9%
Cancel Rate
10,648
Total Flights
ATL to GSP Route DetailsReturn: GSP to ATL
ATL AirportGSP Airport

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