UA 1928 then CA 1016 at O'Hare
Denver → Chicago → Shanghai
Timetable, Chicago time
11:19UA 1928 from Denver at the gate
23:30CA 1016 to Shanghai leaves the gate
12 h 11 apart on the timetable
CA 1016 leaves 12 h 11 after UA 1928 arrives on the timetable: more than half a day, so not a connection we count.