CV 21 then CA 3174 at O'Hare
Anchorage → Chicago → Guangzhou
Timetable, Chicago time
14:01CV 21 from Anchorage at the gate
13:40CA 3174 to Guangzhou leaves the gate
23 h 39 apart on the timetable, overnight
CA 3174 leaves 23 h 39 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.