AA 5670 then AA 5791 at Charlotte
Lexington → Charlotte → Salisbury
Timetable, Charlotte time
18:24AA 5670 from Lexington at the gate
17:40AA 5791 to Salisbury leaves the gate
23 h 16 apart on the timetable, overnight
AA 5791 leaves 23 h 16 after AA 5670 arrives on the timetable: more than half a day, so not a connection we count.