AA 2658 then K4 221 at O'Hare
Charleston (South Carolina) → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:59AA 2658 from Charleston (South Carolina) at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
20 h 36 apart on the timetable, overnight
K4 221 leaves 20 h 36 after AA 2658 arrives on the timetable: more than half a day, so not a connection we count.