How often are GSP to ATL flights on time?

Flights from Greenville (GSP) to Atlanta (ATL) arrive on time 93% of the time across 19,439 flights of official data.

Which airline is most reliable on the GSP to ATL route?

Delta Air Lines has the best on-time record on this route at 93% across 15,702 flights.

Route reliability

Flights from Greenville to Atlanta arrive on time 93% of the time across 19,439 flights. Here’s how each airline really performs.

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On-time rate

19,439 flights

Airline	On-time	Flights
Delta Air Lines	93%	15,702
Southwest Airlines	92%	3,737

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg ATL → GSP.

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