THE GEOGRAPHY OF TRANSPORT SYSTEMS
Source: IATA, World Air Transport Statistics
World�s 10 Largest Domestic Airlines, 2000 (in 1,000 passengers)
Domestic air traffic is dominated by the United States with 7 of the 10 largest domestic air carriers in the world. The combination of factors such as a continental-sized country (large distances), high standards of living, a dominantly urban population, and a service economy, generates a huge demand to be serviced by air carriers.