Thousands of travelers across Canada and the United States are facing major disruptions on Sunday after WestJet flight attendants launched a strike, grounding a significant portion of the airline's network during one of the busiest weekends of the summer travel season. Read More on NewsWhy Have WestJet Flight Attendants Gone on Strike? The WestJet Component website indicated that flight attendants had gone on strike, displaying the status "On Strike," after the union and airline failed to reach a new collective agreement before the strike deadline. Negotiations remain ongoing, and both the union and WestJet have indicated they are prepared to return to the bargaining table. Last summer, flight attendants at Air Canada, the country’s largest carrier, stranded more than 100,000 travelers during peak travel season with a strike partly over the same issue of groundwork.