AA 1614 then CZ 436 at O'Hare
Phoenix → Chicago → Shanghai
Timetable, Chicago time
21:58AA 1614 from Phoenix at the gate
19:25CZ 436 to Shanghai leaves the gate
21 h 27 apart on the timetable, overnight
CZ 436 leaves 21 h 27 after AA 1614 arrives on the timetable: more than half a day, so not a connection we count.