AC 8907 then ET 3511 at O'Hare
Toronto Pearson → Chicago → Muscat
Timetable, Chicago time
15:52AC 8907 from Toronto Pearson at the gate
09:05ET 3511 to Muscat leaves the gate
17 h 13 apart on the timetable, overnight
ET 3511 leaves 17 h 13 after AC 8907 arrives on the timetable: more than half a day, so not a connection we count.