AA 1637 then AA 5565 at Charlotte
Washington → Charlotte → Richmond
Timetable, Charlotte time
08:38AA 1637 from Washington at the gate
08:24AA 5565 to Richmond leaves the gate
23 h 46 apart on the timetable, overnight
AA 5565 leaves 23 h 46 after AA 1637 arrives on the timetable: more than half a day, so not a connection we count.