may be due to the high concentration of passengers on a relatively low number of ‘super routes’, where several airlines vie for dominance.
The airline industry's competition has increased continuously. Last three years global aviation industry has become more competitive. The percentage of air traffic served by one or two airlines has fallen from 39% in 2010 to 35% in 2012 and fallen 2% each year. At the same time , the percentage of air traffic with four or more competing airlines has also increased continuously from 35% in 2010 to 38% in 2012. The highest competition market between airlines in the world is Asia, with 75% of air traffic number served by more than 3 airlines and only 25% of air traffic served by one or two airlines. It is very different from other region, such as 45% of air traffic number is served by just one or two different airlines in Europe and 50% of all air traffic has only one or two competing carriers in the Middle East. The greatly competitive nature of air travel in Asia