NH 8402 then BR 658 at O'Hare
Tokyo Narita → Chicago → Toronto Pearson
Timetable, Chicago time
12:40NH 8402 from Tokyo Narita at the gate
11:30BR 658 to Toronto Pearson leaves the gate
22 h 50 apart on the timetable, overnight
BR 658 leaves 22 h 50 after NH 8402 arrives on the timetable: more than half a day, so not a connection we count.