AA 3458 then Y8 7456 at O'Hare
Cedar Rapids → Chicago → Shanghai
Timetable, Chicago time
22:00AA 3458 from Cedar Rapids at the gate
19:10Y8 7456 to Shanghai leaves the gate
21 h 10 apart on the timetable, overnight
Y8 7456 leaves 21 h 10 after AA 3458 arrives on the timetable: more than half a day, so not a connection we count.