AA 2576 then K4 221 at O'Hare
Charlotte → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
19:36AA 2576 from Charlotte at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
14 h 59 apart on the timetable, overnight
K4 221 leaves 14 h 59 after AA 2576 arrives on the timetable: more than half a day, so not a connection we count.