Canadian Airlines has the lowest on-time arrival rate in North America.

In terms of punctuality, Canadian Airlines ranks worst in North America. According to the aviation data company Cirium, Air Canada ranks ninth while WestJet ranks bottom among ten North American carriers in terms of on-time performance. Based on the research, almost 28% of Air Canada's flights, or more than 8,700 flights, failed to arrive on time in October. As per data, almost 29 percent of WestJet flights were not on time.
According to the research, both airlines' on-time performance is only 70%. Based on the survey, both airlines perform much behind the average of 80 percent of North American airlines.