AA 9911 then 7L 4862 at O'Hare
Des Moines → Chicago → Baku
Timetable, Chicago time
19:30AA 9911 from Des Moines at the gate
16:007L 4862 to Baku leaves the gate
20 h 30 apart on the timetable, overnight
7L 4862 leaves 20 h 30 after AA 9911 arrives on the timetable: more than half a day, so not a connection we count.