AC 8909 then ET 3511 at O'Hare
Toronto Pearson → Chicago → Muscat
Timetable, Chicago time
17:43AC 8909 from Toronto Pearson at the gate
09:05ET 3511 to Muscat leaves the gate
15 h 22 apart on the timetable, overnight
ET 3511 leaves 15 h 22 after AC 8909 arrives on the timetable: more than half a day, so not a connection we count.