Delta Air Transport acquired a 49 percent stake in DAT, and an increasing number of flights were operated on behalf of the Belgian national airline henceforth (also adopting the airline codes of Sabena), using a fleet of British Aerospace 146 aircraft, in favor of which other airliners were gradually phased out. DAT became a member of the European Regional Airlines Association in 1993. In 1996, Sabena bought the remaining KLM stake, thus DAT became a wholly owned Sabena subsidiary, moved its headquarters from Antwerp to Brussels and was re-branded as DAT Belgian Regional Airline, offering low-cost flights. Gradually, the livery of Sabena was
Sun Country Airlines DC-10 in early 2001. In June 1999, the management of Sun Country launched a transformation from a charter carrier into a scheduled airline. New service from Minneapolis and Milwaukee began to destinations including Los Angeles, Seattle, Detroit, Washington, D.C. and Phoenix. The airline also started a frequent flyer program, Smile Awards. In 2001, Sun Country began to replace its entire fleet with Boeing 737 aircraft. As Sun Country reinvented itself, heavy competition from local incumbent carrier Northwest Airlines and the September 11 attacks caused a sharp decrease of traffic and revenue. The airline was losing large amounts of money by