AA 3493 then Y8 7456 at O'Hare
Green Bay → Chicago → Shanghai
Timetable, Chicago time
07:23AA 3493 from Green Bay at the gate
01:35Y8 7456 to Shanghai leaves the gate
18 h 12 apart on the timetable, overnight
Y8 7456 leaves 18 h 12 after AA 3493 arrives on the timetable: more than half a day, so not a connection we count.