AA 5585 then AA 5918 at Charlotte
Louisville → Charlotte → Augusta
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
16:27AA 5918 to Augusta leaves the gate
21 h 06 apart on the timetable, overnight
AA 5918 leaves 21 h 06 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.