AC 8477 then UA 5522 at O'Hare
Montréal → Chicago → Kansas City
Timetable, Chicago time
11:07AC 8477 from Montréal at the gate
08:40UA 5522 to Kansas City leaves the gate
21 h 33 apart on the timetable, overnight
UA 5522 leaves 21 h 33 after AC 8477 arrives on the timetable: more than half a day, so not a connection we count.