AA 3673 then 7L 789 at O'Hare
Omaha → Chicago → Baku
Timetable, Chicago time
10:30AA 3673 from Omaha at the gate
10:007L 789 to Baku leaves the gate
23 h 30 apart on the timetable, overnight
7L 789 leaves 23 h 30 after AA 3673 arrives on the timetable: more than half a day, so not a connection we count.