AC 8477 then K4 221 at O'Hare
Montréal → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
11:07AC 8477 from Montréal at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
23 h 28 apart on the timetable, overnight
K4 221 leaves 23 h 28 after AC 8477 arrives on the timetable: more than half a day, so not a connection we count.