AA 5001 then ET 3511 at O'Hare
Birmingham (Alabama) → Chicago → Muscat
Timetable, Chicago time
15:35AA 5001 from Birmingham (Alabama) at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 30 apart on the timetable, overnight
ET 3511 leaves 17 h 30 after AA 5001 arrives on the timetable: more than half a day, so not a connection we count.