AA 4776 then Y8 7456 at O'Hare
Kansas City → Chicago → Shanghai
Timetable, Chicago time
13:29AA 4776 from Kansas City at the gate
01:35Y8 7456 to Shanghai leaves the gate
12 h 06 apart on the timetable, overnight
Y8 7456 leaves 12 h 06 after AA 4776 arrives on the timetable: more than half a day, so not a connection we count.