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Greenville Spartanburg International Airport (GSP) currently has nonstop service to 24 destinations on 9 airlines in our latest departure data. The busiest route is to Charlotte (CLT), and the largest operator here is American Airlines with nonstops to 6 destinations.
Route data as of September 23, 2026, based on a 5-day departures sample.
This schedule snapshot includes nonstop flights from GSP to 24 destinations. The snapshot shows about 40 flights per day across those routes. The busiest options start with Charlotte (CLT), Atlanta (ATL), New York (LGA).
0 international routes in this schedule set
United States 24
5-6/day
Bombardier CRJ · Airbus A320 family · Embraer E-Jet
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Greenville Spartanburg International Airport (GSP / KGSP) is located in Greer, United States.
The IATA code is GSP. The ICAO code is KGSP.
The busiest scheduled route from GSP in our current departure data is GSP to CLT (Charlotte), with 5-6/day.
American Airlines is the largest operator in our GSP schedule data, serving 6 destinations with 13-14/day.
This schedule snapshot includes 0 international routes and 24 domestic routes from GSP.
9 airlines operate at GSP. Top carriers include American Airlines, Breeze Airways, United Airlines, Delta Air Lines, Envoy Air.
This schedule snapshot includes direct flights from GSP to 24 destinations including Charlotte, Atlanta, New York, Chicago, Newark.
View live arrivals and departures at GSP on FlightRadar24.
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