A transport system for cargo containers includes at least two spaced-apart conveyors for transporting a cargo container in conveying direction along a substantially horizontal transport path, wherein at least one conveyor is driven. Disposed to the side of the other conveyor is an unloading device for discharging the cargo by tilting the container. The unloading device includes a track with a looped section, and a plurality of couplers constructed for engagement with the containers at a leading end of the looped section, as viewed in conveying direction, and for disengagement from the containers at a trailing end of the looped section. The looped section is spatially configured to tilt the container as a one of the couplers engages the oncoming container on one side adjacent the other conveyor and is guided along the track.