WestJet appears to have found a clever little trick to avoid paying passengers compensation after flight cancellations: swap a flight to a broken aircraft, cancel it, then blame “unplanned maintenance.” WestJet Accused Of Using Sneaky Aircraft Swap To Avoid Paying Compensation Canada’s Air Passenger Protection Regulations require airlines to pay cash compensation for many significant delays and cancellations that are within an airline’s control. But there is a big carveout: if the disruption is tied to “unplanned maintenance required for safety,” the airline can avoid paying compensation. You can probably see where this is going. A CBC Go Public investigation, highlighted by One Mile at a Time , found that WestJet may be using that maintenance carveout in a rather creative way. The case involves a couple returning from Los Cabos, Mexico, to Canada on WestJet.…