“Unruly Passengers: The Growing Challenge for Airline Security” addresses the increasing problem of disruptive passenger behaviour. It defines unruly passengers, examines the rising incident rates and their root causes such as stress, substance use and external factors like delays. The article highlights the impact on airline safety, operations, and reputation, alongside the regulatory landscape and associated penalties. Preventative measures at check-in are suggested, including behavioural observation, enhanced communication and strict alcohol policies. The ultimate aim is to reduce disruptive events and improve the overall travel experience.