AA 4183 then ET 3511 at O'Hare
Columbia Metropolitan → Chicago → Muscat
Timetable, Chicago time
18:25AA 4183 from Columbia Metropolitan at the gate
09:05ET 3511 to Muscat leaves the gate
14 h 40 apart on the timetable, overnight
ET 3511 leaves 14 h 40 after AA 4183 arrives on the timetable: more than half a day, so not a connection we count.