AA 2898 then AA 3864 at Charlotte
Jacksonville → Charlotte → Hilton Head
Timetable, Charlotte time
16:11AA 2898 from Jacksonville at the gate
15:54AA 3864 to Hilton Head leaves the gate
23 h 43 apart on the timetable, overnight
AA 3864 leaves 23 h 43 after AA 2898 arrives on the timetable: more than half a day, so not a connection we count.