AA 2885 then ET 3511 at O'Hare
San Francisco → Chicago → Muscat
Timetable, Chicago time
17:10AA 2885 from San Francisco at the gate
09:05ET 3511 to Muscat leaves the gate
15 h 55 apart on the timetable, overnight
ET 3511 leaves 15 h 55 after AA 2885 arrives on the timetable: more than half a day, so not a connection we count.