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The return of mass air travel has encountered some turbulence, to say the least. Lengthy delays and lost luggage are ubiquitous, even as air travellers often pay a premium for flights. At least 240 WestJet flights were recently cancelled as a result of a system outage caused by a computer problem at a data centre, and when delays like this occur, airlines are less able to cope with them than they were in pre-COVID times. They are understaffed, and overwhelmed.

鈥淚t stresses the system,鈥� says Prof. Karl Moore, 鈥渁nd there is a lack of resources to handle these delays.鈥�