NH 8422 then TK 6019 at O'Hare
Tokyo Narita → Chicago → Toronto Pearson
Timetable, Chicago time
07:00NH 8422 from Tokyo Narita at the gate
06:20TK 6019 to Toronto Pearson leaves the gate
23 h 20 apart on the timetable, overnight
TK 6019 leaves 23 h 20 after NH 8422 arrives on the timetable: more than half a day, so not a connection we count.