AA 4381 then CZ 2502 at O'Hare
Grand Rapids → Chicago → Shanghai
Timetable, Chicago time
06:09AA 4381 from Grand Rapids at the gate
20:50CZ 2502 to Shanghai leaves the gate
14 h 41 apart on the timetable
CZ 2502 leaves 14 h 41 after AA 4381 arrives on the timetable: more than half a day, so not a connection we count.