K4 579 then CZ 2502 at O'Hare
Anchorage → Chicago → Shanghai
Timetable, Chicago time
03:20K4 579 from Anchorage at the gate
01:45CZ 2502 to Shanghai leaves the gate
22 h 25 apart on the timetable, overnight
CZ 2502 leaves 22 h 25 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.