MONTREAL/TORONTO >> Air Canada’s unionized flight attendants reached an agreement with the country’s largest carrier today, ending the first strike by its cabin crew in 40 years that had upended travel plans for hundreds of thousands of passengers.

Air Canada said it will gradually restart operations after reaching an agreement early on Tuesday with the union for 10,000 flight attendants to end a strike that disrupted the travel plans of hundreds of thousands of travelers.

Air Canada and a union representing the airline’s flight attendants have come to a tentative agreement, ending a days-long strike that canceled thousands of flights and stranded passengers.