AA 3865 then AA 5820 at Charlotte
Hilton Head → Charlotte → Roanoke
Timetable, Charlotte time
13:44AA 3865 from Hilton Head at the gate
13:16AA 5820 to Roanoke leaves the gate
23 h 32 apart on the timetable, overnight
AA 5820 leaves 23 h 32 after AA 3865 arrives on the timetable: more than half a day, so not a connection we count.