AC 8481 then UA 3907 at O'Hare
Montréal → Chicago → Cleveland
Timetable, Chicago time
15:02AC 8481 from Montréal at the gate
07:30UA 3907 to Cleveland leaves the gate
16 h 28 apart on the timetable, overnight
UA 3907 leaves 16 h 28 after AC 8481 arrives on the timetable: more than half a day, so not a connection we count.