AA 6486 then AA 2762 at O'Hare
Detroit → Chicago → Denver
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
09:45AA 2762 to Denver leaves the gate
16 h 16 apart on the timetable, overnight
AA 2762 leaves 16 h 16 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.