AA 5991 then AA 2758 at Charlotte
Augusta → Charlotte → Memphis
Timetable, Charlotte time
08:20AA 5991 from Augusta at the gate
21:00AA 2758 to Memphis leaves the gate
12 h 40 apart on the timetable
AA 2758 leaves 12 h 40 after AA 5991 arrives on the timetable: more than half a day, so not a connection we count.