AA 6486 then AA 2570 at O'Hare
Detroit → Chicago → Salt Lake City
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
14:00AA 2570 to Salt Lake City leaves the gate
20 h 31 apart on the timetable, overnight
AA 2570 leaves 20 h 31 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.