AA 4229 then K4 221 at O'Hare
Knoxville → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:15AA 4229 from Knoxville at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
16 h 20 apart on the timetable, overnight
K4 221 leaves 16 h 20 after AA 4229 arrives on the timetable: more than half a day, so not a connection we count.