BR 646 then NH 11 at O'Hare
Anchorage → Chicago → Tokyo Narita
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
10:30NH 11 to Tokyo Narita leaves the gate
17 h 20 apart on the timetable, overnight
NH 11 leaves 17 h 20 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.