The quest for reducing costs is driving change in the business models of airlines, their practices and processes. Airlines need to be quicker, they need to be more flexible, they need to be more cost-oriented, and they need to push innovative solutions out to their customers in order to differentiate themselves. There is a growing trend towards outsourcing of non-core IT applications, development of appropriate e-commerce strategies and migration from mainframe applications to IP-based technologies in the airline industry, which can enable airlines to cut down on inefficiencies and improve the bottom line.