AA 6279 then K4 221 at O'Hare
Kalamazoo → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:29AA 6279 from Kalamazoo at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
22 h 51 apart on the timetable, overnight
K4 221 leaves 22 h 51 after AA 6279 arrives on the timetable: more than half a day, so not a connection we count.