Air Canada suspended its third-quarter and annual profit forecasts as its fleet of hundreds of planes remained grounded on Monday morning after striking flight attendants refused a government-backed order to get back to work and called on the airline to return to the bargaining table.

Travellers in Canada and abroad scrambled to secure flights on Sunday after striking Air Canada flight attendants defied a federal back-to-work order, abruptly halting the airline's plans to resume operations.

Air Canada cancelled hundreds of additional flights on Sunday after the union representing its flight attendants announced the workers would remain on strike in defiance of a back-to-work order.

Business groups are warning of the broader impacts a shutdown at Air Canada would bring as a Saturday work stoppage over a new contract looms.

Air travellers across the country continued dealing with hundreds of grounded planes on Saturday as the federal government announced it was ordering a binding arbitration in a labour strife between Air Canada and its 10,

Air Canada customers are trying to remain hopeful that a possible strike involving flight attendants won't disrupt their upcoming travel plans, but they're also steeling themselves for the possibility that could happen.