AA 5403 then AA 3865 at Charlotte
White Plains → Charlotte → Hilton Head
Timetable, Charlotte time
10:12AA 5403 from White Plains at the gate
09:10AA 3865 to Hilton Head leaves the gate
22 h 58 apart on the timetable, overnight
AA 3865 leaves 22 h 58 after AA 5403 arrives on the timetable: more than half a day, so not a connection we count.