AA 5585 then AA 1464 at Charlotte
Louisville → Charlotte → Jacksonville
Timetable, Charlotte time
20:41AA 5585 from Louisville at the gate
18:00AA 1464 to Jacksonville leaves the gate
21 h 19 apart on the timetable, overnight
AA 1464 leaves 21 h 19 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.