OO 225 then 7L 789 at O'Hare
Richmond → Chicago → Baku
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
10:007L 789 to Baku leaves the gate
22 h 12 apart on the timetable, overnight
7L 789 leaves 22 h 12 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.