CV 12 then Y8 7456 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
19:10Y8 7456 to Shanghai leaves the gate
23 h 59 apart on the timetable, overnight
Y8 7456 leaves 23 h 59 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.