AA 3391 then DL 1889 at Charlotte
Hilton Head → Charlotte → Detroit
Timetable, Charlotte time
17:40AA 3391 from Hilton Head at the gate
17:09DL 1889 to Detroit leaves the gate
23 h 29 apart on the timetable, overnight
DL 1889 leaves 23 h 29 after AA 3391 arrives on the timetable: more than half a day, so not a connection we count.