AC 8483 then ET 3511 at O'Hare
Montréal → Chicago → Muscat
Timetable, Chicago time
19:52AC 8483 from Montréal at the gate
09:05ET 3511 to Muscat leaves the gate
13 h 13 apart on the timetable, overnight
ET 3511 leaves 13 h 13 after AC 8483 arrives on the timetable: more than half a day, so not a connection we count.