AA 6486 then UA 2164 at O'Hare
Detroit → Chicago → Phoenix
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
11:08UA 2164 to Phoenix leaves the gate
17 h 39 apart on the timetable, overnight
UA 2164 leaves 17 h 39 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.