AA 4775 then K4 221 at O'Hare
Madison → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
06:14AA 4775 from Madison at the gate
21:20K4 221 to Cincinnati Northern Kentucky leaves the gate
15 h 06 apart on the timetable
K4 221 leaves 15 h 06 after AA 4775 arrives on the timetable: more than half a day, so not a connection we count.