Luftfartsselskaberne kan vælge selv at udføre deres overfladetransport eller at tilbyde overfladetransport via aftaler med andre virksomheder, herunder andre luftfartsselskaber og indirekte udbydere af luftfragt.
Air carriers may elect to perform their own surface transport or to provide it through arrangements with other surface carriers, including surface transport operated by other air carriers and indirect providers of cargo air transport.