According to tracking service FlightAware, 65 percent of Air Canada's flights arrived late yesterday.
Air Canada and Pearson Airport in Toronto have once again topped a global ranking of airline delays.
According to tracking service FlightAware, yesterday, 65 percent of Air Canada's flights didn't arrive on time.
Jazz Aviation, which provides service for the Montreal-based carrier, and Air Canada Rouge, came in second and third place.
Meanwhile, Pearson was the only airport in the world to see over half of its flights delayed.
Airlines and airports have struggled to keep up with increased demand for travel, in large part due to staffing issues.
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