AA 3633 then ET 3511 at O'Hare
Green Bay → Chicago → Muscat
Timetable, Chicago time
20:30AA 3633 from Green Bay at the gate
09:05ET 3511 to Muscat leaves the gate
12 h 35 apart on the timetable, overnight
ET 3511 leaves 12 h 35 after AA 3633 arrives on the timetable: more than half a day, so not a connection we count.