CV 12 then UA 3542 at O'Hare
Anchorage → Chicago → Montréal
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
17:54UA 3542 to Montréal leaves the gate
22 h 43 apart on the timetable, overnight
UA 3542 leaves 22 h 43 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.