File Description: The airline was established in September 2003. The lead investor is Indigo Partners, an American private equity firm specialising in transportation investments. The first flight was made on 19 May 2004 from Katowice, 19 days after Poland and Hungary entered the European Union and the single European aviation market. The airline carried 250,000 passengers in its first three and a half months, almost 1.4 million passengers in the first year of operations and to date, 10 million passengers. In 2007 Wizz Air carried 2.9 million passengers on its Polish routes.