AA 3501 then Y8 7456 at O'Hare
Manhattan → Chicago → Shanghai
Timetable, Chicago time
09:10AA 3501 from Manhattan at the gate
01:35Y8 7456 to Shanghai leaves the gate
16 h 25 apart on the timetable, overnight
Y8 7456 leaves 16 h 25 after AA 3501 arrives on the timetable: more than half a day, so not a connection we count.