AA 3815 then AA 489 at O'Hare
Hartford → Chicago → Washington National
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
17:49AA 489 to Washington National leaves the gate
21 h 34 apart on the timetable, overnight
AA 489 leaves 21 h 34 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.