OO 225 then UA 3569 at O'Hare
Richmond → Chicago → Ottawa
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
10:57UA 3569 to Ottawa leaves the gate
23 h 09 apart on the timetable, overnight
UA 3569 leaves 23 h 09 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.