AA 2201 then CZ 436 at O'Hare
Phoenix → Chicago → Shanghai
Timetable, Chicago time
23:38AA 2201 from Phoenix at the gate
18:50CZ 436 to Shanghai leaves the gate
19 h 12 apart on the timetable, overnight
CZ 436 leaves 19 h 12 after AA 2201 arrives on the timetable: more than half a day, so not a connection we count.