CA 8443 then UA 3674 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
11:05UA 3674 to Toronto Pearson leaves the gate
18 h 06 apart on the timetable, overnight
UA 3674 leaves 18 h 06 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.