The union representing Air Canada's flight attendants has signalled that its members intend to go on strike this weekend, paving the way for workers to walk off the job as early as Saturday morning.

The Canadian Union of Public Employees (CUPE) gave the carrier a requisite 72-hour notice after the two sides reached an impasse in negotiations. The earliest workers can walk off the job is on Saturday at 12:01 a.m. ET.

The two sides have been negotiating a new collective agreement since March, going over key issues like wages, work rules and unpaid hours.

Air Canada said late Tuesday afternoon that the two sides were far apart in negotiations.

CBC News reported on Tuesday that CUPE had declined a proposal by Air Canada to resolve the talks through binding interest arbitration, and tha

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