Copyright 2015 Bloomberg. NKYEI46JTSEV (Bloomberg) — U.K. billionaire Richard Branson’s Virgin Atlantic Airways Ltd. posted its first annual profit since 2011 following a two-year revival plan underpinned by collaboration with U.S. shareholder Delta Air Lines Inc. Pretax profit before one-time items was 14.4 million pounds ($22 million) in 2014, compared with