Most frequent connection to Chicago:
- New York - Chicago (620/Week)
- Atlanta - Chicago (320/Week)
- Washington-DC - Chicago (313/Week)
- Denver - Chicago (275/Week)
- Minneapolis - Chicago (252/Week)
- Las Vegas - Chicago (242/Week)
- Nashville - Chicago (230/Week)
- Phoenix - Sky Harbor - Chicago (218/Week)
- Los Angeles - Chicago (212/Week)
- St. Louis - Chicago (199/Week)