AA 4652 then K4 221 at O'Hare
Raleigh-Durham → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:30AA 4652 from Raleigh-Durham at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
16 h 05 apart on the timetable, overnight
K4 221 leaves 16 h 05 after AA 4652 arrives on the timetable: more than half a day, so not a connection we count.