AC 8477 then OO 9912 at O'Hare
Montréal → Chicago → Richmond
Timetable, Chicago time
11:07AC 8477 from Montréal at the gate
07:30OO 9912 to Richmond leaves the gate
20 h 23 apart on the timetable, overnight
OO 9912 leaves 20 h 23 after AC 8477 arrives on the timetable: more than half a day, so not a connection we count.