BR 608 then UA 662 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
08:45BR 608 from Anchorage at the gate
21:21UA 662 to Toronto Pearson leaves the gate
12 h 36 apart on the timetable
UA 662 leaves 12 h 36 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.