AA 1992 then AA 5370 at Charlotte
St Louis → Charlotte → Richmond
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
09:30AA 5370 to Richmond leaves the gate
20 h 16 apart on the timetable, overnight
AA 5370 leaves 20 h 16 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.