AA 3815 then AA 2769 at O'Hare
Hartford → Chicago → Washington National
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
16:51AA 2769 to Washington National leaves the gate
20 h 36 apart on the timetable, overnight
AA 2769 leaves 20 h 36 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.