AA 3750 then ET 3511 at O'Hare
Sarasota → Chicago → Muscat
Timetable, Chicago time
15:11AA 3750 from Sarasota at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 54 apart on the timetable, overnight
ET 3511 leaves 17 h 54 after AA 3750 arrives on the timetable: more than half a day, so not a connection we count.