AA 6486 then AA 2419 at O'Hare
Detroit → Chicago → Dallas-Fort Worth
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
15:00AA 2419 to Dallas-Fort Worth leaves the gate
21 h 31 apart on the timetable, overnight
AA 2419 leaves 21 h 31 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.