AA 2436 then ET 3511 at O'Hare
San Francisco → Chicago → Muscat
Timetable, Chicago time
15:15AA 2436 from San Francisco at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 50 apart on the timetable, overnight
ET 3511 leaves 17 h 50 after AA 2436 arrives on the timetable: more than half a day, so not a connection we count.