Flight Check

Best Airline: GSP to ATL

Greenville to Atlanta — airline reliability comparison

Delta Air Lines is the most reliable airline on the GSP to ATL route with a 91% on-time rate, compared to Endeavor Air at 82%. 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 Lines91%
Southwest Airlines90%
Endeavor Air82%

GSP to ATL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest91%1.0%88m9,058
Southwest AirlinesWN90%0.6%73m1,491
Endeavor Air9EWorst82%1.6%30m53

Route Overview

90%
Overall On-Time
80m
Avg Delay
1%
Cancel Rate
10,648
Total Flights
GSP to ATL Route DetailsReturn: ATL to GSP
GSP AirportATL Airport

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