AA 4023 then K4 221 at O'Hare
Richmond → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
14:06AA 4023 from Richmond at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
20 h 29 apart on the timetable, overnight
K4 221 leaves 20 h 29 after AA 4023 arrives on the timetable: more than half a day, so not a connection we count.