AA 4528 then CZ 438 at O'Hare
Norfolk → Chicago → Shanghai
Timetable, Chicago time
07:29AA 4528 from Norfolk at the gate
01:45CZ 438 to Shanghai leaves the gate
18 h 16 apart on the timetable, overnight
CZ 438 leaves 18 h 16 after AA 4528 arrives on the timetable: more than half a day, so not a connection we count.