Air Canada began canceling flights Thursday ahead of a possible strike by its flight attendants that could impact hundreds of thousands of travelers. A complete shutdown of the country's largest airline threatens to impact about 130,000 people a day.

The union defied a government order to return to work. The airline said it would delay plans to restart operations from Sunday until Monday evening.

Businesses want the government to prevent a strike by Air Canada flight attendants because of the impact on cargo deliveries. The post Supply chain disruptions feared as Air Canada prepares for strike appeared first on FreightWaves.