BR 662 then CZ 2504 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
06:39BR 662 from Anchorage at the gate
19:15CZ 2504 to Shanghai leaves the gate
12 h 36 apart on the timetable
CZ 2504 leaves 12 h 36 after BR 662 arrives on the timetable: more than half a day, so not a connection we count.