Air Canada's operations have yet to return to normal a day after dozens of pilots called in sick, forcing the cancellation of about 75 flights.
Toronto's Pearson airport listed 17 cancellations and 50 delays on its website Saturday. Flights at other airports were also affected.
Air Canada spokesman Peter Fitzpatrick said Saturday that the problems are a result of planes not being in a position to fly due to Friday's labor action.
Air Canada says the Canada Industrial Relations Board granted the airline an order on Friday requiring its pilots to end the work stoppages that caused travel chaos across the country. The Board said certain pilots were engaged in an illegal strike.