AA 3733 then Y8 7456 at O'Hare
Kansas City → Chicago → Shanghai
Timetable, Chicago time
09:05AA 3733 from Kansas City at the gate
01:35Y8 7456 to Shanghai leaves the gate
16 h 30 apart on the timetable, overnight
Y8 7456 leaves 16 h 30 after AA 3733 arrives on the timetable: more than half a day, so not a connection we count.