AA 3865 then AA 5506 at Charlotte
Hilton Head → Charlotte → Memphis
Timetable, Charlotte time
13:44AA 3865 from Hilton Head at the gate
12:22AA 5506 to Memphis leaves the gate
22 h 38 apart on the timetable, overnight
AA 5506 leaves 22 h 38 after AA 3865 arrives on the timetable: more than half a day, so not a connection we count.