Aviation analytics firm Cirium said that as of Monday afternoon, August 18, Air Canada had called off at least 1,219 domestic flights and 1,339 international flights since last Thursday, when the carrier began gradually suspending its operations ahead of the strike and lockout.

Air Canada flights will resume Tuesday evening, it said. Details were sparse on the tentative deal between the company and its flight attendants union, CUPE.

Air Canada and the Canadian Union of Public Employees (CUPE), representing more than 10,400 flight attendants, have reached a