K4 601 then CZ 2502 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
02:10K4 601 from Anchorage at the gate
01:45CZ 2502 to Shanghai leaves the gate
23 h 35 apart on the timetable, overnight
CZ 2502 leaves 23 h 35 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.