OO 225 then UA 3674 at O'Hare
Richmond → Chicago → Toronto Pearson
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
11:05UA 3674 to Toronto Pearson leaves the gate
23 h 17 apart on the timetable, overnight
UA 3674 leaves 23 h 17 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.