AC 7301 then K4 221 at O'Hare
Montréal → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
11:35AC 7301 from Montréal at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
23 h apart on the timetable, overnight
K4 221 leaves 23 h after AC 7301 arrives on the timetable: more than half a day, so not a connection we count.