AA 3352 then ET 3511 at O'Hare
Columbus (Ohio) → Chicago → Muscat
Timetable, Chicago time
12:22AA 3352 from Columbus (Ohio) at the gate
09:05ET 3511 to Muscat leaves the gate
20 h 43 apart on the timetable, overnight
ET 3511 leaves 20 h 43 after AA 3352 arrives on the timetable: more than half a day, so not a connection we count.