AA 6326 then ET 3511 at O'Hare
Lexington → Chicago → Muscat
Timetable, Chicago time
12:14AA 6326 from Lexington at the gate
09:05ET 3511 to Muscat leaves the gate
20 h 51 apart on the timetable, overnight
ET 3511 leaves 20 h 51 after AA 6326 arrives on the timetable: more than half a day, so not a connection we count.