NH 8421 then BR 197 at Narita
Chicago → Tokyo → Taipei
Timetable, Tokyo time
18:38NH 8421 from Chicago at the gate
14:00BR 197 to Taipei leaves the gate
19 h 22 apart on the timetable, overnight
BR 197 leaves 19 h 22 after NH 8421 arrives on the timetable: more than half a day, so not a connection we count.