AA 3493 then CZ 2502 at O'Hare
Green Bay → Chicago → Shanghai
Timetable, Chicago time
07:23AA 3493 from Green Bay at the gate
20:50CZ 2502 to Shanghai leaves the gate
13 h 27 apart on the timetable
CZ 2502 leaves 13 h 27 after AA 3493 arrives on the timetable: more than half a day, so not a connection we count.