AA 5585 then AA 3129 at Charlotte
Louisville → Charlotte → Jacksonville
Timetable, Charlotte time
20:41AA 5585 from Louisville at the gate
15:02AA 3129 to Jacksonville leaves the gate
18 h 21 apart on the timetable, overnight
AA 3129 leaves 18 h 21 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.