AA 4413 then K4 221 at O'Hare
Memphis → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
19:50AA 4413 from Memphis at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
14 h 45 apart on the timetable, overnight
K4 221 leaves 14 h 45 after AA 4413 arrives on the timetable: more than half a day, so not a connection we count.