AA 6261 then ET 3511 at O'Hare
Little Rock → Chicago → Muscat
Timetable, Chicago time
18:05AA 6261 from Little Rock at the gate
09:05ET 3511 to Muscat leaves the gate
15 h apart on the timetable, overnight
ET 3511 leaves 15 h after AA 6261 arrives on the timetable: more than half a day, so not a connection we count.