AA 2564 then 7L 789 at O'Hare
Los Angeles → Chicago → Baku
Timetable, Chicago time
12:21AA 2564 from Los Angeles at the gate
10:007L 789 to Baku leaves the gate
21 h 39 apart on the timetable, overnight
7L 789 leaves 21 h 39 after AA 2564 arrives on the timetable: more than half a day, so not a connection we count.