AC 1048 then ET 3511 at O'Hare
Vancouver → Chicago → Muscat
Timetable, Chicago time
14:37AC 1048 from Vancouver at the gate
09:05ET 3511 to Muscat leaves the gate
18 h 28 apart on the timetable, overnight
ET 3511 leaves 18 h 28 after AC 1048 arrives on the timetable: more than half a day, so not a connection we count.