A container assembly for holding liquids has an interior space and a pour spout including a spout portion carried by and extending from part of the container assembly. The pour spout has an outlet and defines a liquid flow path in fluid communication between the interior space and the outlet. An anti-glug device is carried by part of the container assembly. The anti-glug device has a channel only partly circumferentially surrounding the liquid flow path and has one or more air vents through a wall of the channel.