AA 2332 then CZ 438 at O'Hare
Philadelphia → Chicago → Shanghai
Timetable, Chicago time
09:07AA 2332 from Philadelphia at the gate
01:45CZ 438 to Shanghai leaves the gate
16 h 38 apart on the timetable, overnight
CZ 438 leaves 16 h 38 after AA 2332 arrives on the timetable: more than half a day, so not a connection we count.