AA 2658 then 7L 789 at O'Hare
Charleston (South Carolina) → Chicago → Baku
Timetable, Chicago time
13:59AA 2658 from Charleston (South Carolina) at the gate
10:007L 789 to Baku leaves the gate
20 h 01 apart on the timetable, overnight
7L 789 leaves 20 h 01 after AA 2658 arrives on the timetable: more than half a day, so not a connection we count.