air transportation in the philippines goes back to the early days of aviation prior to world war ii, during the american colonial period of the philippines. currently, the philippines has several registered airline companies, but they are mostly chartered. there are two main domestic airline groups doing business as philippine airlines and cebu pacific, with airasia philippines competing on some international routes. the domestic market is dominated by the cebu pacific group which has a 61% market share, followed by the philippine airlines group which has 29%, followed by airasia, having a 9% share.