AA 439 then AA 3391 at Charlotte
Washington National → Charlotte → Hilton Head
Timetable, Charlotte time
13:30AA 439 from Washington National at the gate
13:05AA 3391 to Hilton Head leaves the gate
23 h 35 apart on the timetable, overnight
AA 3391 leaves 23 h 35 after AA 439 arrives on the timetable: more than half a day, so not a connection we count.