AA 4192 then CZ 436 at O'Hare
Rochester (ROC) → Chicago → Shanghai
Timetable, Chicago time
22:00AA 4192 from Rochester (ROC) at the gate
18:50CZ 436 to Shanghai leaves the gate
20 h 50 apart on the timetable, overnight
CZ 436 leaves 20 h 50 after AA 4192 arrives on the timetable: more than half a day, so not a connection we count.