AA 3015 then ET 3511 at O'Hare
Charlotte → Chicago → Muscat
Timetable, Chicago time
11:02AA 3015 from Charlotte at the gate
09:05ET 3511 to Muscat leaves the gate
22 h 03 apart on the timetable, overnight
ET 3511 leaves 22 h 03 after AA 3015 arrives on the timetable: more than half a day, so not a connection we count.