It says most services will take around 4h 5min to 4h 10min, faster than most German Rail (DB) services which also serve Bremen.

Nuremberg-based BahnTouristikExpress (BTE), which operates the Flixtrain services on the route and is majority owned by RDC, is currently conducting a recruitment campaign for extra operating staff for the expanded service.

In June, Flixtrain doubled service frequency on the Berlin to Stuttgart route it operates in conjunction with Leo Express.