#1. Airports near Union Grove, WI General Mitchell International Airport (MKE) 20 miles Weekly Flights: 625 Domestic Routes: 42 Delayed Flights: 16% Average Delay (hr): 1¼
#2. Airports near Union Grove, WI Chicago O'Hare International Airport (ORD) 49 miles Weekly Flights: 6,403 Domestic Routes: 174 Delayed Flights: 21% Average Delay (hr): 1¼
#3. Airports near Union Grove, WI Chicago-Rockford International Airport (RFD) 63 miles Weekly Flights: 13 Domestic Routes: 5 Delayed Flights: 20% Average Delay (hr): 1¼
#4. Airports near Union Grove, WI Chicago Midway International Airport (MDW) 64 miles Weekly Flights: 1,675 Domestic Routes: 68 Delayed Flights: 29% Average Delay (hr): ¾
#5. Airports near Union Grove, WI Dane County Regional Airport-Truax Field (MSN) 72 miles Weekly Flights: 254 Domestic Routes: 25 Delayed Flights: 15% Average Delay (hr): 1½
#6. Airports near Union Grove, WI Muskegon County Airport (MKG) 98 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 16% Average Delay (hr): 1½
#7. Airports near Union Grove, WI Appleton International Airport (ATW) 111 miles Weekly Flights: 81 Domestic Routes: 9 Delayed Flights: 14% Average Delay (hr): 1½
#8. Airports near Union Grove, WI South Bend International Airport (SBN) 111 miles Weekly Flights: 134 Domestic Routes: 13 Delayed Flights: 17% Average Delay (hr): 1½
#9. Airports near Union Grove, WI Green Bay-Austin Straubel International Airport (GRB) 124 miles Weekly Flights: 93 Domestic Routes: 6 Delayed Flights: 13% Average Delay (hr): 1½
#10. Airports near Union Grove, WI Gerald R Ford International Airport (GRR) 129 miles Weekly Flights: 333 Domestic Routes: 26 Delayed Flights: 17% Average Delay (hr): 1¼
#11. Airports near Union Grove, WI Kalamazoo-Battle Creek International Airport (AZO) 131 miles Weekly Flights: 54 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#12. Airports near Union Grove, WI Dubuque Regional Airport (DBQ) 137 miles Weekly Flights: 19 Domestic Routes: 1 Delayed Flights: 17% Average Delay (hr): 1
#13. Airports near Union Grove, WI Quad City International Airport (MLI) 152 miles Weekly Flights: 97 Domestic Routes: 11 Delayed Flights: 16% Average Delay (hr): 1½
#14. Airports near Union Grove, WI Central Illinois Regional Airport at Bloomington-Normal (BMI) 159 miles Weekly Flights: 61 Domestic Routes: 8 Delayed Flights: 17% Average Delay (hr): 1¾
#15. Airports near Union Grove, WI General Downing-Peoria International Airport (PIA) 163 miles Weekly Flights: 103 Domestic Routes: 12 Delayed Flights: 16% Average Delay (hr): 1½
#16. Airports near Union Grove, WI Central Wisconsin Airport (CWA) 166 miles Weekly Flights: 55 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#17. Airports near Union Grove, WI Capital Region International Airport (LAN) 176 miles Weekly Flights: 68 Domestic Routes: 3 Delayed Flights: 13% Average Delay (hr): 1½
#18. Airports near Union Grove, WI La Crosse Regional Airport (LSE) 181 miles Weekly Flights: 41 Domestic Routes: 2 Delayed Flights: 14% Average Delay (hr): 1½
#19. Airports near Union Grove, WI University of Illinois-Willard Airport (CMI) 183 miles Weekly Flights: 46 Domestic Routes: 3 Delayed Flights: 15% Average Delay (hr): 1¼
#20. Airports near Union Grove, WI Cherry Capital Airport (TVC) 188 miles Weekly Flights: 75 Domestic Routes: 8 Delayed Flights: 15% Average Delay (hr): 1½