AA 6486 then AA 3051 at O'Hare
Detroit → Chicago → Washington National
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
10:55AA 3051 to Washington National leaves the gate
17 h 26 apart on the timetable, overnight
AA 3051 leaves 17 h 26 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.