AA 6284 then Y8 7456 at O'Hare
Des Moines → Chicago → Shanghai
Timetable, Chicago time
11:10AA 6284 from Des Moines at the gate
01:35Y8 7456 to Shanghai leaves the gate
14 h 25 apart on the timetable, overnight
Y8 7456 leaves 14 h 25 after AA 6284 arrives on the timetable: more than half a day, so not a connection we count.