F9 4307 then 7L 789 at O'Hare
Baltimore → Chicago → Baku
Timetable, Chicago time
11:23F9 4307 from Baltimore at the gate
10:007L 789 to Baku leaves the gate
22 h 37 apart on the timetable, overnight
7L 789 leaves 22 h 37 after F9 4307 arrives on the timetable: more than half a day, so not a connection we count.