AA 3865 then AA 5140 at Charlotte
Hilton Head → Charlotte → Savannah
Timetable, Charlotte time
13:44AA 3865 from Hilton Head at the gate
13:10AA 5140 to Savannah leaves the gate
23 h 26 apart on the timetable, overnight
AA 5140 leaves 23 h 26 after AA 3865 arrives on the timetable: more than half a day, so not a connection we count.