AA 3495 then 7L 789 at O'Hare
Cincinnati Northern Kentucky → Chicago → Baku
Timetable, Chicago time
12:23AA 3495 from Cincinnati Northern Kentucky at the gate
10:007L 789 to Baku leaves the gate
21 h 37 apart on the timetable, overnight
7L 789 leaves 21 h 37 after AA 3495 arrives on the timetable: more than half a day, so not a connection we count.