The busiest time of the week for travel from Bad Vilbel to Rendsburg by train is at 5:00 PM on Tuesday. When planning to travel around this time, tickets should be booked well in advance as they may sell out. Around 5:00 AM on Tuesday is when the fewest number of train tickets are sold. If you’re looking for a little extra space, the train departing at this time is the least likely to be crowded.