Air Canada has started operations between Toronto and Dubai on the 3th november with flights on Tuesdays, Thursdays and Saturdays on the Toronto- Dubai service. On the  Dubai- Toronto service there will be flights at Wednesdays, Fridays and Sundays.

And here is the timetable:     Toronto- Departure at at 20:55
                                               Dubai- Arrival at 18:40 ( local time)

                                              Dubai- Departure at 23:55
                                              Toronto- Arrival at 05:00 ( local time)