FX 922 then K4 221 at O'Hare
Memphis → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:39FX 922 from Memphis at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
21 h 41 apart on the timetable, overnight
K4 221 leaves 21 h 41 after FX 922 arrives on the timetable: more than half a day, so not a connection we count.