AA 2848 then ET 3511 at O'Hare
New York JFK → Chicago → Muscat
Timetable, Chicago time
12:35AA 2848 from New York JFK at the gate
09:05ET 3511 to Muscat leaves the gate
20 h 30 apart on the timetable, overnight
ET 3511 leaves 20 h 30 after AA 2848 arrives on the timetable: more than half a day, so not a connection we count.