AA 2316 then AA 3864 at Charlotte
Baltimore → Charlotte → Hilton Head
Timetable, Charlotte time
16:00AA 2316 from Baltimore at the gate
15:54AA 3864 to Hilton Head leaves the gate
23 h 54 apart on the timetable, overnight
AA 3864 leaves 23 h 54 after AA 2316 arrives on the timetable: more than half a day, so not a connection we count.