AA 5585 then G4 4901 at Charlotte
Louisville → Charlotte → Cincinnati
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
17:00G4 4901 to Cincinnati leaves the gate
21 h 39 apart on the timetable, overnight
G4 4901 leaves 21 h 39 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.