WestJet was forced to cancel more than 350 flights between Monday and Friday last week, the direct result of a powerful hailstorm that ripped through Calgary on August 5.
The wicked storm saw hailstones as big as golf balls hammer YYC terminal buildings, planes and the airport tarmac. The sixteen planes out of commission for WestJet represent nearly 10% off its fleet. Flair also suffered damage to two planes, 10% of its fleet of 20.
Parts of YYC’s domestic terminal will be closed for repairs for an undetermined time. The storm damaged the building’s roof, causing ceiling tiles to crash down and areas of the terminal to flood.
WestJet had 22 planes on the ground in Calgary when the storm hit. It managed to get four into a hangar for protection, while nine others were diverted to avoid the storm. Two impacted planes were cleared with minor damage.

Diederik Pen has been named president of WestJet Airlines. (Photo Credit: WestJet)
“The severity and direction of the actual thunderstorm and hail became clear less than 30 minutes before impact, and we are extremely appreciative of our people who took quick action, prioritizing safety above all while limiting damage to our fleet and operation, wherever possible,” said WestJet Group CEO Diederik Pen.
The dimpling of metal caused by hail strikes can have a significant impact on an aircraft’s aerodynamics, increasing drag and fuel use.
Air Canada has a smaller operation than WestJet at YYC, and a spokesperson said operations there have returned to normal.
Passengers whose flights were cancelled due to the storm are entitled to a refund or alternate reservation free of charge if they could not be rebooked within 48 hours.
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