NH 8402 then BR 643 at O'Hare
Tokyo Narita → Chicago → Anchorage
Timetable, Chicago time
12:40NH 8402 from Tokyo Narita at the gate
11:25BR 643 to Anchorage leaves the gate
22 h 45 apart on the timetable, overnight
BR 643 leaves 22 h 45 after NH 8402 arrives on the timetable: more than half a day, so not a connection we count.