AA 6003 then AA 5791 at Charlotte
Huntsville → Charlotte → Salisbury
Timetable, Charlotte time
18:19AA 6003 from Huntsville at the gate
17:40AA 5791 to Salisbury leaves the gate
23 h 21 apart on the timetable, overnight
AA 5791 leaves 23 h 21 after AA 6003 arrives on the timetable: more than half a day, so not a connection we count.