AA 3802 then ET 3511 at O'Hare
Springfield Branson National → Chicago → Muscat
Timetable, Chicago time
15:36AA 3802 from Springfield Branson National at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 29 apart on the timetable, overnight
ET 3511 leaves 17 h 29 after AA 3802 arrives on the timetable: more than half a day, so not a connection we count.