AA 6345 then 7L 789 at O'Hare
Lexington → Chicago → Baku
Timetable, Chicago time
11:59AA 6345 from Lexington at the gate
10:007L 789 to Baku leaves the gate
22 h 01 apart on the timetable, overnight
7L 789 leaves 22 h 01 after AA 6345 arrives on the timetable: more than half a day, so not a connection we count.