Turkish budget carrier Pegasus Airlines will launch a direct link from Sofia to Istanbul in September 2010, the Bulgarian news agency (BTA) reported.According to the report, the flights from Istanbul to Sofia will be daily at 6am and 8.15pm, while flights from Sofia to Istanbul will be scheduled for 8am and 10.15pm, Bulgarian time.Pegasus Airlines has its headquarters in the Halkal? area of Kucukcekmece, Istanbul,Pegasus Airlines flies to 27 destinations, most of which are in Europe, including Tel Aviv in Israel. Formerly a charter airline in partnership with Aer Lingus, Pegasus is now completely independent.Pegasus' fleet consists of 15 Boeing 737, of which 10 are -800s configured with 189 seats while Izair (based in Izmir) operates three A319s and a recently delivered A320. Pegasus has ordered 24 737-800s for delivery by 2015.In 2007, Pegasus ferried more passengers in Turkey than any other private airline. In 2008, it carried a total of 4.4 million passengers.In 2009, the owners of Pegasus Airlines became the largest single shareholder with 15.3 per cent in Germany's second biggest airline, Air Berlin.