AA 214 then ET 3511 at O'Hare
Dallas-Fort Worth → Chicago → Muscat
Timetable, Chicago time
12:24AA 214 from Dallas-Fort Worth at the gate
09:05ET 3511 to Muscat leaves the gate
20 h 41 apart on the timetable, overnight
ET 3511 leaves 20 h 41 after AA 214 arrives on the timetable: more than half a day, so not a connection we count.