AA 1643 then AA 1946 at Charlotte
Charleston (South Carolina) → Charlotte → Richmond
Timetable, Charlotte time
09:24AA 1643 from Charleston (South Carolina) at the gate
21:50AA 1946 to Richmond leaves the gate
12 h 26 apart on the timetable
AA 1946 leaves 12 h 26 after AA 1643 arrives on the timetable: more than half a day, so not a connection we count.