AA 1449 then K4 221 at O'Hare
Jackson → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
17:59AA 1449 from Jackson at the gate
16:20K4 221 to Cincinnati Northern Kentucky leaves the gate
22 h 21 apart on the timetable, overnight
K4 221 leaves 22 h 21 after AA 1449 arrives on the timetable: more than half a day, so not a connection we count.