AA 5457 then AA 5791 at Charlotte
Manchester → Charlotte → Salisbury
Timetable, Charlotte time
18:18AA 5457 from Manchester at the gate
17:40AA 5791 to Salisbury leaves the gate
23 h 22 apart on the timetable, overnight
AA 5791 leaves 23 h 22 after AA 5457 arrives on the timetable: more than half a day, so not a connection we count.