AA 4545 then ET 3511 at O'Hare
Tulsa → Chicago → Muscat
Timetable, Chicago time
20:05AA 4545 from Tulsa at the gate
09:05ET 3511 to Muscat leaves the gate
13 h apart on the timetable, overnight
ET 3511 leaves 13 h after AA 4545 arrives on the timetable: more than half a day, so not a connection we count.