UA 5754 then CA 3104 at O'Hare
Duluth → Chicago → Shanghai
Timetable, Chicago time
13:15UA 5754 from Duluth at the gate
11:40CA 3104 to Shanghai leaves the gate
22 h 25 apart on the timetable, overnight
CA 3104 leaves 22 h 25 after UA 5754 arrives on the timetable: more than half a day, so not a connection we count.