An arbitrator has ruled that Air Transat cabin crew members can be prohibited from using cannabis both while on duty and during their personal time, upholding the airline's zero-tolerance policy for safety-sensitive positions. The decision, released Wednesday, stems from a grievance filed by the Canadian Union of Public Employees (CUPE) representing flight attendants.
Background of the Dispute
The airline implemented a policy in 2023 banning all cannabis use by cabin crew, citing Transport Canada regulations that classify the role as safety-sensitive. The union argued that the policy infringed on employees' privacy rights and off-duty conduct, particularly since cannabis is legal in Canada. However, the arbitrator sided with Air Transat, emphasizing that impairment risks and federal safety standards override personal use rights.
Key Points of the Ruling
- Safety First: The arbitrator noted that cannabis can impair cognitive and motor functions for hours or days after use, posing risks during flights.
- Federal Compliance: Transport Canada requires employers to ensure safety-sensitive personnel are not under the influence of drugs or alcohol.
- Zero Tolerance: Air Transat's policy aligns with other airlines and transportation sectors that ban cannabis use entirely for safety roles.
Union Reaction
CUPE expressed disappointment, stating that the ruling sets a precedent that could erode privacy rights for workers in safety-sensitive jobs. The union may appeal the decision. Air Transat welcomed the ruling, reinforcing its commitment to passenger and crew safety.
Implications for the Industry
The decision could influence other Canadian airlines and transportation companies to adopt similar blanket bans on cannabis use for employees in safety-critical positions. Legal experts note that while cannabis is legal, employers retain the right to enforce workplace safety policies.



