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Greenville–Spartanburg International Airport

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Greenville–Spartanburg International Airport
Roger Milliken Field
Summary
Airport typePublic
OwnerGreenville–Spartanburg
Airport District
OperatorGreenville–Spartanburg
Airport Commission
ServesUpstate South Carolina
Locationnear Greer, South Carolina
OpenedOctober 15, 1962; 63 years ago (1962-10-15)
Elevation AMSL964 ft (294 m)
Coordinates34°53′44″N 082°13′08″W / 34.89556°N 82.21889°W / 34.89556; -82.21889
Websitewww.gspairport.com
Maps
FAA airport diagram
FAA airport diagram
Map
Interactive map of Greenville–Spartanburg International Airport
Runways
Direction Length Surface
ft m
4/22 11,001 3,353 Asphalt/concrete
Statistics (2025)
Aircraft operations (2024)59,545
Based aircraft (2024)33
Passengers3,043,621 Increase5.70%
Cargo handled (tons)64,593
Source: Federal Aviation Administration[1][2]

Greenville–Spartanburg International Airport (IATA: GSP, ICAO: KGSP, FAA LID: GSP) – also known as Roger Milliken Field – is near Greer, South Carolina, United States, midway between Greenville and Spartanburg, the major cities of the Upstate region of South Carolina. The airport is the third-busiest airport in South Carolina, after Charleston International Airport, and Myrtle Beach International Airport with over 3.04 million passengers in 2025, the most in its history.[3]

The Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021 categorized it as a small-hub primary commercial service facility.[4]

History

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Before construction of the Greenville–Spartanburg International Airport (GSP), each city had its own airport and competed for airline service. In the mid-1950s Roger Milliken, a textile heir, industrialist, and businessman (CEO of Milliken & Company), worked with other upstate business leaders to get a shared airport for the two cities. In 1958, a proposal for an airport between the two cities was presented to the legislative delegation for the two counties, which approved the construction and the creation of an airport commission, headed by Milliken.

GSP opened on October 15, 1962, replacing Greenville Downtown Airport as the primary airline destination in the region. Delta Air Lines, Eastern Air Lines, and Southern Airways had all been serving both Greenville and Spartanburg separately; however only Eastern and Southern moved to the new GSP airport, while Delta discontinued their service. In the 1980s, GSP expanded its terminal and cargo facilities, and the runway was lengthened twice in the 1990s. In 2004, the airfield was named for Milliken.

Having been served by legacy carriers, with large hubs in nearby Atlanta and Charlotte, GSP had long been plagued with high fares. The arrival of low-cost carriers reduced fares and increased passenger figures. Allegiant Air began flights to Florida in 2006,[5] and in 2011 Southwest Airlines began service to five cities.[6]

Local officials attribute Southwest's presence to an unprecedented 38% growth in passenger figures between 2010 and 2011.[7] In 2011, GSP received an ANNIE Award from Airline and Airport News & Analysis for being the fastest-growing small airport in the United States.[7] In 2012 the U.S. Department of Transportation's Bureau of Travel Statistics reported that average fares from GSP decreased by 14%; the largest decrease in the country.

Facilities

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The airport covers 3,500 acres (1,400 ha) and has one runway, 4/22, 11,001 ft × 150 ft (3,353 m × 46 m) asphalt/concrete.[1][8]

The airport is mostly in Spartanburg County with a portion in Greenville County. It is in an unincorporated area, adjacent to sections of Greer.[9][10]

The airport has one terminal building with two concourses: Concourse A (gates A1–A9), and Concourse B (gates B1–B4). The check-in level is the same for all passengers. In 2012 the airport embarked on a four-year, $102 million terminal improvement program which would modernize the terminal and improve passenger flow, as well as prepare for future expansion.[11] Future planning includes several options, i.e., the expansion of the terminal by 300% of its current capacity and the possibility of the addition of second runway, parallel to the existing one.

Concourse A is used by American, Southwest, Silver Airways, Avelo Airlines and United. Allegiant Air and Delta use Concourse B.

The airport can handle up to 250 passengers per hour through immigration and customs checkpoints.[12]

FedEx has a major package facility on the north end of the airport, and BMW has a facility which supports easy transfer of arriving parts to the company's manufacturing facility, three miles to the east.

In July 2016, GSP airport and Senator International of Germany announced that a regularly scheduled twice-weekly cargo service would start in November 2016 between GSP airport and Munich, Germany. The cargo service would be the first scheduled international route for the airport.[13][14][15][16] Senator International started the international cargo service to Germany in November 2016, operated by Air Atlanta Icelandic with a Boeing 747-400F aircraft, to both Munich and Frankfurt–Hahn Airport.[17][18]

Airlines and destinations

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Passenger

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GSP is serviced by seven passenger airlines and their regional affiliates. All service is domestic.[12]

AirlinesDestinationsRefs
Allegiant Air Fort Lauderdale, Orlando/Sanford, St. Petersburg/Clearwater, Sarasota[citation needed] [19]
American Airlines Charlotte, Dallas/Fort Worth [20]
American Eagle Charlotte, Chicago–O'Hare, Dallas/Fort Worth, Miami, New York–LaGuardia, Philadelphia, Washington–National [20]
Avelo Airlines Seasonal: New Haven [21]
Breeze Airways Columbus–Glenn,[22] Fort Lauderdale,[23] Providence,[24] Tampa[24]
Seasonal: Cincinnati,[25] Fort Myers,[26] Hartford, Los Angeles, Orlando,[24] Pittsburgh[26]		[27]
Delta Air Lines Atlanta, Detroit [28]
Delta Connection Detroit, New York–LaGuardia [28]
Southwest Airlines Baltimore, Nashville[29]
Seasonal: Denver[30]		 [31]
United Airlines Houston–Intercontinental
Seasonal: Chicago–O'Hare 		[32]
United Express Chicago–O'Hare, Denver, Houston–Intercontinental, Newark, Washington–Dulles[33] [32]
Destinations map

Cargo

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AirlinesDestinations
Air Atlanta Icelandic Hahn, Munich,[34] Querétaro[35]
Amerijet International Miami
Atlas Air Hahn
FedEx Express Indianapolis, Memphis
FedEx Feeder Greensboro
Maersk Air Cargo Cologne, Seoul–Incheon,[36] Shenyang
UPS Airlines Charleston (SC), Columbia (SC), Louisville, Miami, Raleigh/Durham
Seasonal: Hartford
Western Global Airlines Fort Myers

Statistics

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Top destinations

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Busiest domestic routes from GSP (January 2025 – December 2025)[37]
Rank City Passengers Carriers
1 Georgia (U.S. state) Atlanta, Georgia 332,080 Delta, Southwest
2 North Carolina Charlotte, North Carolina 188,920 American
3 Texas Dallas/Fort Worth, Texas 129,730 American
4 New York (state) New York–LaGuardia, New York 107,120 American, Delta
5 Illinois Chicago–O'Hare, Illinois 105,710 American, United
6 Maryland Baltimore, Maryland 68,460 Southwest
7 Michigan Detroit, Michigan 58,210 Delta
8 Pennsylvania Philadelphia, Pennsylvania 49,540 American
9 Virginia Washington-National, Virginia 48,310 American
10 Tennessee Nashville, Tennessee 44,710 Southwest
Airline Market Shares (January 2025 – December 2025)
Rank Airline Passengers Market Share
1 Delta 681,000 22.90%
2 PSA 376,000 12.65%
3 Southwest 299,000 10.05%
4 American 272,000 9.14%
5 Envoy 211,000 7.08%
- Other 1,135,000 38.17%

Annual traffic

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Annual passenger traffic (enplaned + deplaned) at GSP, CY 1984 – present[38]
Year Passengers Year Passengers Year Passengers Year Passengers Year Passengers
1984735,96119941,560,04220041,575,11720141,897,26420242,880,480
1985854,09219951,322,54020051,792,59720151,940,60220253,043,621
1986937,86319961,428,22320061,528,97920162,011,0472026
19871,105,75219971,450,17420071,555,07720172,130,8852027
19881,139,64019981,424,66920081,415,68820182,317,9842028
19891,110,31419991,518,56120091,250,76620192,612,2362029
19901,184,58020001,590,78620101,301,74420201,065,4992030
19911,055,82320011,412,56720111,787,16120211,799,8772031
19921,097,28720021,386,82820121,901,03220222,187,8842032
19931,171,82620031,350,64820131,866,82620232,563,8532033
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See also

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References

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  1. 1 2 "FAA Airport Form 5010 for GSP" (PDF). FAA. Retrieved January 22, 2026.
  2. ↑ "GSP Airport 2025 Passenger and Cargo Data". gspairport.com. Retrieved February 16, 2026.
  3. ↑ "2025 Greenville–Spartanburg International Airport Passenger Statistics". gspairport.com. Retrieved February 16, 2026.
  4. ↑ "List of NPIAS Airports" (PDF). FAA.gov. Federal Aviation Administration. October 21, 2016. Retrieved April 26, 2017.
  5. ↑ Staff Reports "http://www.goupstate.com/article/20060824/NEWS/608230366" August 23, 2006.
  6. ↑ Staff Reports "." Spartanburg Herald Journal. May 11, 2010. Retrieved on May 11, 2010.
  7. 1 2 "GSP International Airport". Archived from the original on April 2, 2015. Retrieved April 8, 2015.
  8. ↑ "GSP airport data at skyvector.com". skyvector.com. FAA data effective January 22, 2026.
  9. ↑ "P.L. 94-171 COUNTY BLOCK MAP (2020 CENSUS): Spartanburg County, SC" (PDF). U.S. Census Bureau. p. 23 (PDF p. 24). Retrieved July 5, 2021.
  10. ↑ "P.L. 94-171 COUNTY BLOCK MAP (2020 CENSUS): Greenville County, SC" (PDF). U.S. Census Bureau. p. 25 (PDF p. 26). Retrieved July 5, 2021.
  11. ↑ "GSP International Airport". Archived from the original on June 24, 2016. Retrieved April 8, 2015.
  12. 1 2 "GSP International Airport". Archived from the original on April 2, 2015. Retrieved April 8, 2015.
  13. ↑ Montgomerybob, Bob. "GSP announces air cargo route to Germany". GoUpstate. Retrieved July 27, 2017.
  14. ↑ "GSP announces new cargo service from Senator International". Upstate Business Journal. July 19, 2016. Retrieved July 27, 2017.
  15. ↑ "GSP is in elite company with new international air cargo service". Greenvilleonline.com. August 12, 2016. Retrieved July 27, 2017.
  16. ↑ "SENATOR Atlantic Bridge". Senator International. November 5, 2016. Archived from the original on December 7, 2017. Retrieved July 27, 2017.
  17. ↑ "New BMW link with South Carolina". Freightweek.org. Retrieved July 27, 2017.
  18. ↑ "Senator Atlantic Airbridge to depart once a week from Munich to Greenville/Spartanburg, NC, USA". Ajot.Com. Retrieved July 27, 2017.
  19. ↑ "Airlines-Greenville". Retrieved June 8, 2023.
  20. 1 2 "Flight schedules and notifications". Retrieved February 25, 2017.
  21. ↑ "Destinations".
  22. ↑ Norton, Ross (January 28, 2026). "Breeze Airways adds nonstop GSP to Columbus route". SCBiz. Retrieved January 28, 2026.
  23. ↑ "Breeze adding eight cities from Fort Lauderdale, including Tallahassee, Jacksonville". February 24, 2026. Retrieved February 24, 2026.
  24. 1 2 3 "GSP announces new airline with nonstop destinations". January 23, 2024. Archived from the original on January 23, 2024. Retrieved January 23, 2024.
  25. ↑ Sanderson, Emily (February 24, 2026). "Breeze Airways launches two new seasonal nonstop routes out of CVG Airport". WLWT. Retrieved February 24, 2026.
  26. 1 2 Donovan, Spencer (February 5, 2025). "Breeze Airways announces 4 new destinations from Greenville-Spartanburg airport". The Post and Courier. Retrieved February 5, 2025.
  27. ↑ "Explore Breeze Airways destinations". Breeze Airways. Retrieved January 9, 2024.
  28. 1 2 "Delta Flight Schedule" (PDF). Delta.com. pp. 631–635. Retrieved February 25, 2017.
  29. ↑ "Southwest Airlines June 2024 Additional New Routes Launch". Aeroroutes. Retrieved April 16, 2024.
  30. ↑ "New Flight Schedules".
  31. ↑ "Check Flight Schedules". Retrieved February 25, 2017.
  32. 1 2 "Timetable". Archived from the original on January 28, 2017. Retrieved February 25, 2017.
  33. ↑ "United Resumes Two Regional Routes". Airlinegeeks. Retrieved May 12, 2024.
  34. ↑ "Senator International Launches Atlantic Air Bridge". cargoforwarder.eu. July 24, 2016. Archived from the original on February 24, 2020. Retrieved November 5, 2016.
  35. ↑ "Senator International adds weekly cargo flight from GSP to Mexico". wspa.com. June 25, 2018. Retrieved June 26, 2018.
  36. ↑ "Denmark's Maersk Air Cargo starts Seoul-US flights". Ch-Aviation. October 26, 2022.
  37. ↑ "RITA - BTS - Transtats". bts.gov. Retrieved April 5, 2026.
  38. ↑ "GSP International Airport Passenger Data". Retrieved February 16, 2026.
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