3. All of the factors are affecting air freight rates except:

B. Directionality

Reason: The other options such a volume of traffic is essential to determine the demand for the air freight, type of aircraft is essential for the International Transportation agreement which may in turn impact the freight charges. Competition in terms of safety or trade agreements also impacts the air operating cost and hence forms an integral part of it. Therefore Directionality is the only factor not covered under it.