CA 1017 then UA 5915 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
16:01CA 1017 from Anchorage at the gate
15:47UA 5915 to Toronto Pearson leaves the gate
23 h 46 apart on the timetable, overnight
UA 5915 leaves 23 h 46 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.