AA 6283 then K4 221 at O'Hare
Des Moines → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
15:44AA 6283 from Des Moines at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
18 h 51 apart on the timetable, overnight
K4 221 leaves 18 h 51 after AA 6283 arrives on the timetable: more than half a day, so not a connection we count.