UA 546 then CA 3108 at O'Hare
Newark → Chicago → Shanghai
Timetable, Chicago time
22:18UA 546 from Newark at the gate
10:20CA 3108 to Shanghai leaves the gate
12 h 02 apart on the timetable, overnight
CA 3108 leaves 12 h 02 after UA 546 arrives on the timetable: more than half a day, so not a connection we count.