AA 4047 then ET 3511 at O'Hare
Richmond → Chicago → Muscat
Timetable, Chicago time
19:00AA 4047 from Richmond at the gate
09:05ET 3511 to Muscat leaves the gate
14 h 05 apart on the timetable, overnight
ET 3511 leaves 14 h 05 after AA 4047 arrives on the timetable: more than half a day, so not a connection we count.