AA 3389 then K4 221 at O'Hare
Columbia Regional → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
12:00AA 3389 from Columbia Regional at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
22 h 35 apart on the timetable, overnight
K4 221 leaves 22 h 35 after AA 3389 arrives on the timetable: more than half a day, so not a connection we count.