AA 4583 then ET 3511 at O'Hare
Raleigh-Durham → Chicago → Muscat
Timetable, Chicago time
15:31AA 4583 from Raleigh-Durham at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 34 apart on the timetable, overnight
ET 3511 leaves 17 h 34 after AA 4583 arrives on the timetable: more than half a day, so not a connection we count.