AA 1309 then ET 3511 at O'Hare
Puerto Vallarta → Chicago → Muscat
Timetable, Chicago time
18:04AA 1309 from Puerto Vallarta at the gate
09:05ET 3511 to Muscat leaves the gate
15 h 01 apart on the timetable, overnight
ET 3511 leaves 15 h 01 after AA 1309 arrives on the timetable: more than half a day, so not a connection we count.