DL 2055 then CA 3104 at O'Hare
Seattle (SEA) → Chicago → Shanghai
Timetable, Chicago time
13:37DL 2055 from Seattle (SEA) at the gate
11:40CA 3104 to Shanghai leaves the gate
22 h 03 apart on the timetable, overnight
CA 3104 leaves 22 h 03 after DL 2055 arrives on the timetable: more than half a day, so not a connection we count.