AA 2544 then AA 2758 at Charlotte
Columbus (Ohio) → Charlotte → Memphis
Timetable, Charlotte time
20:19AA 2544 from Columbus (Ohio) at the gate
19:40AA 2758 to Memphis leaves the gate
23 h 21 apart on the timetable, overnight
AA 2758 leaves 23 h 21 after AA 2544 arrives on the timetable: more than half a day, so not a connection we count.