Passengers' summer travel plans have been thrown into uncertainty as Air Canada's unionized flight attendants have gone on strike following a dispute over pay, a move that signals disruption for more than 10,000 passengers.

Newsweek contacted Air Canada and the Canadian Union of Public Employees (CUPE) for comment via email outside regular working hours.

Why It Matters

Air Canada is the country's largest carrier, and the strike is set to affect 130,000 travelers. The airline employs more than 40,000 people, with more than 250 aircraft traveling to 200 destinations in about 65 countries.

About 200 Air Canada flights are to the U.S., according to The Wall Street Journal . The strike comes as Canadians increasingly avoid the United States because of diplomatic tensions between the neig

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