AA 6325 then CZ 2508 at O'Hare
Detroit → Chicago → Shanghai
Timetable, Chicago time
22:00AA 6325 from Detroit at the gate
20:50CZ 2508 to Shanghai leaves the gate
22 h 50 apart on the timetable, overnight
CZ 2508 leaves 22 h 50 after AA 6325 arrives on the timetable: more than half a day, so not a connection we count.