BR 646 then JL 55 at O'Hare
Anchorage → Chicago → Tokyo Narita
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
10:25JL 55 to Tokyo Narita leaves the gate
17 h 15 apart on the timetable, overnight
JL 55 leaves 17 h 15 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.