AA 5585 then AA 6131 at Charlotte
Louisville → Charlotte → Jacksonville (North Carolina)
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
15:42AA 6131 to Jacksonville (North Carolina) leaves the gate
20 h 21 apart on the timetable, overnight
AA 6131 leaves 20 h 21 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.