AA 3391 then AA 3037 at Charlotte
Hilton Head → Charlotte → Baltimore
Timetable, Charlotte time
17:40AA 3391 from Hilton Head at the gate
16:46AA 3037 to Baltimore leaves the gate
23 h 06 apart on the timetable, overnight
AA 3037 leaves 23 h 06 after AA 3391 arrives on the timetable: more than half a day, so not a connection we count.