AA 6078 then AA 2758 at Charlotte
Harrisburg → Charlotte → Memphis
Timetable, Charlotte time
07:58AA 6078 from Harrisburg at the gate
21:00AA 2758 to Memphis leaves the gate
13 h 02 apart on the timetable
AA 2758 leaves 13 h 02 after AA 6078 arrives on the timetable: more than half a day, so not a connection we count.