AA 3453 then 7L 789 at O'Hare
Northwest Arkansas → Chicago → Baku
Timetable, Chicago time
12:35AA 3453 from Northwest Arkansas at the gate
10:007L 789 to Baku leaves the gate
21 h 25 apart on the timetable, overnight
7L 789 leaves 21 h 25 after AA 3453 arrives on the timetable: more than half a day, so not a connection we count.