AA 6302 then K4 221 at O'Hare
Cedar Rapids → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:20AA 6302 from Cedar Rapids at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
19 h 15 apart on the timetable, overnight
K4 221 leaves 19 h 15 after AA 6302 arrives on the timetable: more than half a day, so not a connection we count.