AA 5136 then AA 5229 at Charlotte
Memphis → Charlotte → Harrisburg
Timetable, Charlotte time
11:25AA 5136 from Memphis at the gate
08:30AA 5229 to Harrisburg leaves the gate
21 h 05 apart on the timetable, overnight
AA 5229 leaves 21 h 05 after AA 5136 arrives on the timetable: more than half a day, so not a connection we count.