NH 8421 then CA 930 at Narita
Chicago → Tokyo → Shanghai
Timetable, Tokyo time
18:38NH 8421 from Chicago at the gate
15:00CA 930 to Shanghai leaves the gate
20 h 22 apart on the timetable, overnight
CA 930 leaves 20 h 22 after NH 8421 arrives on the timetable: more than half a day, so not a connection we count.