AA 522 then AA 9912 at O'Hare
Washington National → Chicago → Richmond
Timetable, Chicago time
10:07AA 522 from Washington National at the gate
07:30AA 9912 to Richmond leaves the gate
21 h 23 apart on the timetable, overnight
AA 9912 leaves 21 h 23 after AA 522 arrives on the timetable: more than half a day, so not a connection we count.