CV 12 then UA 2496 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
18:17UA 2496 to Toronto Pearson leaves the gate
23 h 06 apart on the timetable, overnight
UA 2496 leaves 23 h 06 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.