AA 3865 then AA 5229 at Charlotte
Hilton Head → Charlotte → Roanoke
Timetable, Charlotte time
13:44AA 3865 from Hilton Head at the gate
12:40AA 5229 to Roanoke leaves the gate
22 h 56 apart on the timetable, overnight
AA 5229 leaves 22 h 56 after AA 3865 arrives on the timetable: more than half a day, so not a connection we count.