AA 3346 then Y8 7456 at O'Hare
Madison → Chicago → Shanghai
Timetable, Chicago time
20:30AA 3346 from Madison at the gate
19:10Y8 7456 to Shanghai leaves the gate
22 h 40 apart on the timetable, overnight
Y8 7456 leaves 22 h 40 after AA 3346 arrives on the timetable: more than half a day, so not a connection we count.