AA 392 then ET 3511 at O'Hare
San Antonio → Chicago → Muscat
Timetable, Chicago time
10:10AA 392 from San Antonio at the gate
09:05ET 3511 to Muscat leaves the gate
22 h 55 apart on the timetable, overnight
ET 3511 leaves 22 h 55 after AA 392 arrives on the timetable: more than half a day, so not a connection we count.