AA 6486 then AA 312 at O'Hare
Detroit → Chicago → Dallas-Fort Worth
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
09:59AA 312 to Dallas-Fort Worth leaves the gate
16 h 30 apart on the timetable, overnight
AA 312 leaves 16 h 30 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.