AA 4987 then ET 3511 at O'Hare
Flint → Chicago → Muscat
Timetable, Chicago time
18:15AA 4987 from Flint at the gate
09:05ET 3511 to Muscat leaves the gate
14 h 50 apart on the timetable, overnight
ET 3511 leaves 14 h 50 after AA 4987 arrives on the timetable: more than half a day, so not a connection we count.