Greenville/Greer/Spartanburg

GSP · KGSP

Greenville-Spartanburg International Airport

34.90°, -82.22°SC, United States

Passengers a year

3.1M

#88 busiest in the U.S.

30

nonstop destinations

28

airlines

56

departures a day

76.3%

arrivals on time

2.7%

flights cancelled

79.0%

load factor

The ten busiest routes from GSP, by passengers: ATL, CLT, DFW, ORD, LGA, BWI, BNA, DTW, DCA, PHLGSPBNAORDDTWBWIDCAPHLLGACLTATLDFW
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

American Airlines is the largest carrier at Greenville/Greer/Spartanburg, with 35% of all passengers. 28 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

American Airlines holds 35% of the airport — the 46th most concentrated of 79 small hubs. The nearest comparison is TUL at 35%.

AirlineSharePassengersSeats YoY
AA
American79% fullAmerican Eagle · operated by PSA, Envoy, Piedmont, Republic, SkyWest
35.2%1.1M-5.7%
DL
Delta80% fullDelta Connection · operated by Endeavor, SkyWest, Republic
29.6%905.3K+9.2%
UA
United85% fullUnited Express · operated by Republic, Mesa, CommuteAir, SkyWest, GoJet
14.3%438.6K+5.6%
WN
Southwest70% full
10.4%317.6K-1.1%
MX
Breeze79% full
5.3%162.5K+112.7%
+Other airlines
5.2%159.6K—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

30 nonstop destinations from Greenville/Greer/Spartanburg, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Atlanta (ATL)

    332.2K departing · 85% full

    Delta Air Lines

  • Charlotte (CLT)

    173.5K departing · 82% full

    American Airlines

  • Dallas-Fort Worth (DFW)

    126K departing · 83% full

    American Airlines

  • Chicago (ORD)

    114.4K departing · 85% full

    United Airlines · American Airlines

  • New York (LGA)

    106.1K departing · 72% full

    Delta Air Lines · American Airlines

  • Baltimore (BWI)

    69.9K departing · 68% full

    Southwest Airlines

  • Nashville (BNA)

    63.1K departing · 78% full

    Southwest Airlines

  • Detroit (DTW)

    60.4K departing · 79% full

    Delta Air Lines

  • Washington (DCA)

    49K departing · 76% full

    American Airlines

  • Philadelphia (PHL)

    47.2K departing · 76% full

    American Airlines

All nonstop destinations

30 nonstop · 7 airlines · 30 domestic / 0 intl

CLTCharlotteORDChicagoDFWDallas-Fort Worth

American Eagle · operated by Envoy Air, PSA Airlines, Piedmont Airlines, Republic Airways

MIAMiamiLGANew YorkPHLPhiladelphiaDCAWashington

American Airlines profile

Aircraft

By share of departures at Greenville/Greer/Spartanburg.

Body class · share of departures

When Greenville/Greer/Spartanburg is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak May 2026

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
1,082,841
1991
907,891
1992
837,951
1993
948,161
1994
1,471,289
1995
1,137,681
1996
1,219,949
1997
1,262,618
1998
1,089,382
1999
1,078,682
2000
1,230,654
2001
1,018,228
2002
1,000,923
2003
1,355,410
2004
1,572,277
2005
1,791,744
2006
1,519,698
2007
1,547,799
2008
1,415,396
2009
1,262,432
2010
1,296,218
2011
1,831,321
2012
1,930,708
2013
1,866,935
2014
1,911,620
2015
1,936,279
2016
1,997,153
2017
2,093,489
2018
2,261,657
2019
2,551,698
2020
1,035,628
2021
1,782,562
2022
2,182,530
2023
2,531,755
2024
2,841,575
2025
3,025,051
2026
1,183,781 so far

Arriving on time

Of every 100 flights landing at Greenville/Greer/Spartanburg, 76 touch down within 15 minutes of schedule, 21 arrive late, and 3 are cancelled.

See live FAA delays

Every 100 arrivals

On time 76Late 21Cancelled 3

18 min

average delay

390

flights cancelled

13.8K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

Delta Air Lines 83.1%

Least reliable here

Allegiant Air 64.2%

Among US airports

#88

On time, month by month

Darker is better · 64.9%–86.8%

The weak spot is July 2025, when 64.9% of arrivals landed on time — 11.4 points below the year. The strongest was September 2025 at 86.8%.

Frequently asked

How busy is Greenville-Spartanburg International Airport (GSP)?

Greenville-Spartanburg International Airport handled about 3.1M passengers over the trailing 12 months, ranking #88 among U.S. airports by passengers, with roughly 56 departures a day.

Which airline is the largest at Greenville-Spartanburg International Airport (GSP)?

American Airlines is the largest carrier at Greenville/Greer/Spartanburg (GSP), flying about 35% of its passengers. 28 airlines serve Greenville/Greer/Spartanburg in total.

How many places can you fly nonstop from Greenville-Spartanburg International Airport (GSP)?

Greenville/Greer/Spartanburg (GSP) has 30 nonstop destinations, all domestic.

How often do flights arrive on time at Greenville-Spartanburg International Airport (GSP)?

About 76.3% of flights arriving at Greenville/Greer/Spartanburg (GSP) touch down within 15 minutes of schedule, per US DOT figures. About 2.7% are cancelled.

What aircraft flies most from Greenville-Spartanburg International Airport (GSP)?

The Embraer E175 flew the largest share of departures from Greenville/Greer/Spartanburg (GSP), about 22% of the total.

Departing counts passengers leaving Greenville/Greer/Spartanburg. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).