NH 8401 then UO 651 at Narita
Chicago → Tokyo → Hong Kong
Timetable, Tokyo time
20:06NH 8401 from Chicago at the gate
20:05UO 651 to Hong Kong leaves the gate
23 h 59 apart on the timetable, overnight
UO 651 leaves 23 h 59 after NH 8401 arrives on the timetable: more than half a day, so not a connection we count.