AA 3515 then CZ 438 at O'Hare
Appleton → Chicago → Shanghai
Timetable, Chicago time
07:12AA 3515 from Appleton at the gate
01:45CZ 438 to Shanghai leaves the gate
18 h 33 apart on the timetable, overnight
CZ 438 leaves 18 h 33 after AA 3515 arrives on the timetable: more than half a day, so not a connection we count.