#1. Airports near Duncan, SC Greenville Spartanburg International Airport (GSP) 5 miles Weekly Flights: 262 Domestic Routes: 22 Delayed Flights: 16% Average Delay (hr): 1½
#2. Airports near Duncan, SC Asheville Regional Airport (AVL) 41 miles Weekly Flights: 148 Domestic Routes: 14 Delayed Flights: 18% Average Delay (hr): 1½
#3. Airports near Duncan, SC Charlotte-Douglas International Airport (CLT) 70 miles Weekly Flights: 4,487 Domestic Routes: 136 Delayed Flights: 19% Average Delay (hr): 1
#4. Airports near Duncan, SC Columbia Metropolitan Airport (CAE) 90 miles Weekly Flights: 131 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1¼
#5. Airports near Duncan, SC Tri-Cities Airport (TRI) 108 miles Weekly Flights: 59 Domestic Routes: 5 Delayed Flights: 16% Average Delay (hr): 1½
#6. Airports near Duncan, SC Augusta Regional Airport at Bush Field (AGS) 108 miles Weekly Flights: 87 Domestic Routes: 7 Delayed Flights: 19% Average Delay (hr): 1¼
#7. Airports near Duncan, SC McGhee Tyson Airport (TYS) 121 miles Weekly Flights: 307 Domestic Routes: 23 Delayed Flights: 18% Average Delay (hr): 1½
#8. Airports near Duncan, SC Florence Regional Airport (FLO) 147 miles Weekly Flights: 3 Domestic Routes: 1 Delayed Flights: 19% Average Delay (hr): 1¼
#9. Airports near Duncan, SC Piedmont Triad International Airport (GSO) 148 miles Weekly Flights: 250 Domestic Routes: 17 Delayed Flights: 18% Average Delay (hr): 1¼
#10. Airports near Duncan, SC Hartsfield-Jackson Atlanta International Airport (ATL) 158 miles Weekly Flights: 7,501 Domestic Routes: 166 Delayed Flights: 18% Average Delay (hr): 1
#11. Airports near Duncan, SC Lovell Field (CHA) 173 miles Weekly Flights: 164 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1½
#12. Airports near Duncan, SC Fayetteville Regional Airport-Grannis Field (FAY) 185 miles Weekly Flights: 75 Domestic Routes: 2 Delayed Flights: 17% Average Delay (hr): 1½
#13. Airports near Duncan, SC Charleston Airforce Base-International Airport (CHS) 185 miles Weekly Flights: 460 Domestic Routes: 30 Delayed Flights: 17% Average Delay (hr): 1¼
#14. Airports near Duncan, SC Raleigh-Durham International Airport (RDU) 200 miles Weekly Flights: 1,168 Domestic Routes: 57 Delayed Flights: 21% Average Delay (hr): 1¼
#15. Airports near Duncan, SC Savannah-Hilton Head International Airport (SAV) 201 miles Weekly Flights: 304 Domestic Routes: 26 Delayed Flights: 18% Average Delay (hr): 1¼
#16. Airports near Duncan, SC Myrtle Beach International Airport (MYR) 203 miles Weekly Flights: 223 Domestic Routes: 45 Delayed Flights: 17% Average Delay (hr): 1¼
#17. Airports near Duncan, SC Roanoke-Blacksburg Regional Airport-Woodrum Field (ROA) 205 miles Weekly Flights: 47 Domestic Routes: 5 Delayed Flights: 23% Average Delay (hr): 1¼
#18. Airports near Duncan, SC Greenbrier Valley Airport (LWB) 224 miles Weekly Flights: 11 Domestic Routes: 3 Delayed Flights: 23% Average Delay (hr): 2¼
#19. Airports near Duncan, SC Columbus Airport (CSG) 232 miles Weekly Flights: 25 Domestic Routes: 1 Delayed Flights: 16% Average Delay (hr): 1½
#20. Airports near Duncan, SC Lynchburg Regional Airport-Preston Glenn Field (LYH) 233 miles Weekly Flights: 20 Domestic Routes: 1 Delayed Flights: 24% Average Delay (hr): 1¼