AA 3391 then AA 2909 at Charlotte
Hilton Head → Charlotte → Hartford
Timetable, Charlotte time
17:40AA 3391 from Hilton Head at the gate
16:52AA 2909 to Hartford leaves the gate
23 h 12 apart on the timetable, overnight
AA 2909 leaves 23 h 12 after AA 3391 arrives on the timetable: more than half a day, so not a connection we count.