AC 8481 then 7L 789 at O'Hare
Montréal → Chicago → Baku
Timetable, Chicago time
15:02AC 8481 from Montréal at the gate
10:007L 789 to Baku leaves the gate
18 h 58 apart on the timetable, overnight
7L 789 leaves 18 h 58 after AC 8481 arrives on the timetable: more than half a day, so not a connection we count.