AA 5585 then AA 2488 at Charlotte
Louisville → Charlotte → Chicago O'Hare
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
18:28AA 2488 to Chicago O'Hare leaves the gate
23 h 07 apart on the timetable, overnight
AA 2488 leaves 23 h 07 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.