The union represents over 10,000 Air Canada flight attendants, which means if the strike does go ahead, Canadian travellers could feel the impacts on their bank accounts. If an Air Canada strike does happen, what are customers' options? You can file your credit card travel insurance claims online or you can call the number on the back of your card. How should Canadians prepare ahead of a possible Air Canada strike? She also suggests travellers find out as much as they can about their specific credit card travel insurance coverage.