AA 2436 then 7L 789 at O'Hare
San Francisco → Chicago → Baku
Timetable, Chicago time
15:15AA 2436 from San Francisco at the gate
10:007L 789 to Baku leaves the gate
18 h 45 apart on the timetable, overnight
7L 789 leaves 18 h 45 after AA 2436 arrives on the timetable: more than half a day, so not a connection we count.