AA 6486 then AA 3575 at O'Hare
Detroit → Chicago → Springfield Branson National
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
11:20AA 3575 to Springfield Branson National leaves the gate
17 h 51 apart on the timetable, overnight
AA 3575 leaves 17 h 51 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.