AA 4930 then Y8 7456 at O'Hare
Oklahoma City → Chicago → Shanghai
Timetable, Chicago time
21:50AA 4930 from Oklahoma City at the gate
19:10Y8 7456 to Shanghai leaves the gate
21 h 20 apart on the timetable, overnight
Y8 7456 leaves 21 h 20 after AA 4930 arrives on the timetable: more than half a day, so not a connection we count.