AA 4615 then CZ 436 at O'Hare
Columbus (Ohio) → Chicago → Shanghai
Timetable, Chicago time
05:56AA 4615 from Columbus (Ohio) at the gate
00:30CZ 436 to Shanghai leaves the gate
18 h 34 apart on the timetable, overnight
CZ 436 leaves 18 h 34 after AA 4615 arrives on the timetable: more than half a day, so not a connection we count.