AA 4583 then K4 221 at O'Hare
Raleigh-Durham → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:31AA 4583 from Raleigh-Durham at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
19 h 04 apart on the timetable, overnight
K4 221 leaves 19 h 04 after AA 4583 arrives on the timetable: more than half a day, so not a connection we count.