UA 1617 then CA 1016 at O'Hare
Houston → Chicago → Shanghai
Timetable, Chicago time
11:17UA 1617 from Houston at the gate
23:30CA 1016 to Shanghai leaves the gate
12 h 13 apart on the timetable
CA 1016 leaves 12 h 13 after UA 1617 arrives on the timetable: more than half a day, so not a connection we count.