AA 5353 then AA 5072 at Charlotte
Wilmington → Charlotte → Richmond
Timetable, Charlotte time
15:16AA 5353 from Wilmington at the gate
12:48AA 5072 to Richmond leaves the gate
21 h 32 apart on the timetable, overnight
AA 5072 leaves 21 h 32 after AA 5353 arrives on the timetable: more than half a day, so not a connection we count.