BR 608 then CZ 2504 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
20:40BR 608 from Anchorage at the gate
19:15CZ 2504 to Shanghai leaves the gate
22 h 35 apart on the timetable, overnight
CZ 2504 leaves 22 h 35 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.