For overall trend of traffic during the year 2009, aircraft movements dropped in the first half of the year showing the 2009 trend lines below the 2008 level, due to the effect of global economy and Thailand’s political crisis. However, air traffic had started to recover since June till the end of the year and showed the higher amount of movements than those of the year 2008, except for Don Mueang because of Thai Airways moved its domestic operations to Suvarnabhumi.