BR 646 then NH 8401 at O'Hare
Anchorage → Chicago → Tokyo Narita
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
15:10NH 8401 to Tokyo Narita leaves the gate
22 h apart on the timetable, overnight
NH 8401 leaves 22 h after BR 646 arrives on the timetable: more than half a day, so not a connection we count.