#1. Airports near Union, IL Chicago-Rockford International Airport (RFD) 28 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#2. Airports near Union, IL Chicago O'Hare International Airport (ORD) 37 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#3. Airports near Union, IL Chicago Midway International Airport (MDW) 51 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#4. Airports near Union, IL General Mitchell International Airport (MKE) 59 miles Weekly Flights: 625 Domestic Routes: 42 Delayed Flights: 16% Average Delay (hr): 1¼
#5. Airports near Union, IL Dane County Regional Airport-Truax Field (MSN) 75 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#6. Airports near Union, IL Dubuque Regional Airport (DBQ) 111 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#7. Airports near Union, IL Quad City International Airport (MLI) 115 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#8. Airports near Union, IL South Bend International Airport (SBN) 120 miles Weekly Flights: 134 Domestic Routes: 13 Delayed Flights: 17% Average Delay (hr): 1½
#9. Airports near Union, IL Central Illinois Regional Airport at Bloomington-Normal (BMI) 123 miles Weekly Flights: 61 Domestic Routes: 8 Delayed Flights: 17% Average Delay (hr): 1¾
#10. Airports near Union, IL General Downing-Peoria International Airport (PIA) 124 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½
#11. Airports near Union, IL Muskegon County Airport (MKG) 134 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 16% Average Delay (hr): 1½
#12. Airports near Union, IL Appleton International Airport (ATW) 140 miles Weekly Flights: 81 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1½
#13. Airports near Union, IL University of Illinois-Willard Airport (CMI) 152 miles Weekly Flights: 46 Domestic Routes: 3 Delayed Flights: 15% Average Delay (hr): 1¼
#14. Airports near Union, IL Kalamazoo-Battle Creek International Airport (AZO) 153 miles Weekly Flights: 54 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#15. Airports near Union, IL Green Bay-Austin Straubel International Airport (GRB) 157 miles Weekly Flights: 93 Domestic Routes: 6 Delayed Flights: 13% Average Delay (hr): 1½
#16. Airports near Union, IL Gerald R Ford International Airport (GRR) 160 miles Weekly Flights: 333 Domestic Routes: 26 Delayed Flights: 17% Average Delay (hr): 1¼
#17. Airports near Union, IL The Eastern Iowa Airport (CID) 164 miles Weekly Flights: 178 Domestic Routes: 15 Delayed Flights: 16% Average Delay (hr): 1¼
#18. Airports near Union, IL Abraham Lincoln Capital Airport (SPI) 175 miles Weekly Flights: 35 Domestic Routes: 4 Delayed Flights: 17% Average Delay (hr): 1½
#19. Airports near Union, IL La Crosse Regional Airport (LSE) 178 miles Weekly Flights: 41 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 1½
#20. Airports near Union, IL Central Wisconsin Airport (CWA) 185 miles Weekly Flights: 55 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½