K4 550 then MU 272 at Narita
Chicago → Tokyo → Shanghai
Timetable, Tokyo time
11:59K4 550 from Chicago at the gate
10:55MU 272 to Shanghai leaves the gatealso JL 5603
22 h 56 apart on the timetable, overnight
MU 272 leaves 22 h 56 after K4 550 arrives on the timetable: more than half a day, so not a connection we count.