AA 4088 then ET 3511 at O'Hare
Northwest Arkansas → Chicago → Muscat
Timetable, Chicago time
09:45AA 4088 from Northwest Arkansas at the gate
09:05ET 3511 to Muscat leaves the gate
23 h 20 apart on the timetable, overnight
ET 3511 leaves 23 h 20 after AA 4088 arrives on the timetable: more than half a day, so not a connection we count.