AA 990 then 7L 789 at O'Hare
Phoenix → Chicago → Baku
Timetable, Chicago time
11:39AA 990 from Phoenix at the gate
10:007L 789 to Baku leaves the gate
22 h 21 apart on the timetable, overnight
7L 789 leaves 22 h 21 after AA 990 arrives on the timetable: more than half a day, so not a connection we count.