AA 4733 then ET 3511 at O'Hare
Cincinnati Northern Kentucky → Chicago → Muscat
Timetable, Chicago time
15:14AA 4733 from Cincinnati Northern Kentucky at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 51 apart on the timetable, overnight
ET 3511 leaves 17 h 51 after AA 4733 arrives on the timetable: more than half a day, so not a connection we count.