UA 1967 then CA 3104 at O'Hare
New York LaGuardia → Chicago → Shanghai
Timetable, Chicago time
16:21UA 1967 from New York LaGuardia at the gate
11:40CA 3104 to Shanghai leaves the gate
19 h 19 apart on the timetable, overnight
CA 3104 leaves 19 h 19 after UA 1967 arrives on the timetable: more than half a day, so not a connection we count.