AA 6486 then AA 3490 at O'Hare
Detroit → Chicago → Grand Rapids
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
13:40AA 3490 to Grand Rapids leaves the gate
20 h 11 apart on the timetable, overnight
AA 3490 leaves 20 h 11 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.