Canadian airline WestJet has reached a tentative agreement with the union representing its maintenance engineers to avert work stoppage, the two parties said in a joint statement on Monday.

WestJet and the union representing its maintenance engineers reached a tentative agreement late Sunday, averting a work stoppage that could have started disrupting flights as early as Tuesday afternoon.

Onex Corp's WestJet on Saturday said that it issued a 72-hour lockout notification to the union representing its maintenance engineers, the ‍Aircraft Mechanics Fraternal Association. The company said that a work stoppage could occur as early as Tuesday unless a deal is reached with AMFA.

Westjet Airlines Ltd. issued a 72-hour lockout notice to the union representing the airline’s maintenance engineers, setting up a possible work disruption as early as Tuesday for Canada’s second-biggest airline.

WestJet has issued a 72-hour lockout notice to the union representing the Calgary-based airline's mechanics. The notice paves the way for a work stoppage to begin on Tuesday.Last week, the Aircraft Mechanics Fraternal Association (AMFA),