AA 6486 then AA 3353 at O'Hare
Detroit → Chicago → Baltimore
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
14:44AA 3353 to Baltimore leaves the gate
21 h 15 apart on the timetable, overnight
AA 3353 leaves 21 h 15 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.