AA 6325 then CA 1020 at O'Hare
Detroit → Chicago → Shanghai
Timetable, Chicago time
22:00AA 6325 from Detroit at the gate
19:30CA 1020 to Shanghai leaves the gate
21 h 30 apart on the timetable, overnight
CA 1020 leaves 21 h 30 after AA 6325 arrives on the timetable: more than half a day, so not a connection we count.