CA 1017 then CZ 2502 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
19:05CA 1017 from Anchorage at the gate
13:55CZ 2502 to Shanghai leaves the gate
18 h 50 apart on the timetable, overnight
CZ 2502 leaves 18 h 50 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.