CZ 437 then CA 1018 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
14:24CZ 437 from Anchorage at the gate
03:10CA 1018 to Shanghai leaves the gate
12 h 46 apart on the timetable, overnight
CA 1018 leaves 12 h 46 after CZ 437 arrives on the timetable: more than half a day, so not a connection we count.