The development of cargo airports was brought about by the importance of air cargo and due to the limited service offers of existing airports such as capacity bottlenecks and bans on night flights. In most cases, the hubs of mail and parcel service providers (integrators) are located at these airports (see Sect. 5.5.2). This, in turn, directly affects the set-up of the airport’s infrastructure. The service portfolio of an airport and thus that of an airport operator is of direct relevance for logistics. The most relevant factors are: