Exploring the Regional Structure of the Worldwide Air Traffic and Route Networks

Figure 11

The RBO of the large components (a) and the world air transportation network (b). The top 50 hubs of the unweighted (degree) and weighted (strength) are compared by step of 5. Flights in the Europe-Russia Central Asia, Africa-Middle East-Southern Asia, East-Southeast Asia-Oceania, and South America components do not concentrate on the main hubs. In the other large components, the hubs accumulate the traffic.

(a)

(b)