AA 4740 then Y8 7456 at O'Hare
Norfolk → Chicago → Shanghai
Timetable, Chicago time
19:55AA 4740 from Norfolk at the gate
19:10Y8 7456 to Shanghai leaves the gate
23 h 15 apart on the timetable, overnight
Y8 7456 leaves 23 h 15 after AA 4740 arrives on the timetable: more than half a day, so not a connection we count.