gave Northwest veto authority against any merger involving Continental) could be redeemed, freeing Continental to pursue a marriage with United. On April 27, 2008, Continental broke off merger negotiations with United and stated it was going to stand alone. Despite ending merger talks, Continental announced that it would join United in the Star Alliance. United and US Airways were in advanced merger talks in late April 2008, following the announcement that Continental had broken off talks with United. In June 2008, CEOs of both United Airlines and Continental Airlines signed an alliance pact presaging their eventual merger. The alliance is an agreement to link international networks and share technology and passenger perks. This agreement is basically a "virtual merger" that includes many of the benefits of a merger without the actual costs and restructuring involved. The alliance took effect about a year after Delta Air Lines and Northwest Airlines completed their merger, as that released Continental from the SkyTeam contract and allowed for the required nine-month notice. Additionally, Continental joined Star Alliance, as Delta and Northwest merged. United Airlines was reported to be in serious merger discussion with US Airways in early April 2010. A New York Times report indicated that a deal was close. Union consent was cited as a major hurdle for negotiators to clear. On April 22, 2010, United announced that it would not pursue a merger with US Airways. The Board of Directors at Continental and United Airlines approved a stock-swap deal that would combine them into the world's largest airline on Sunday, May 2, 2010. The airlines publicly announced the deal the next day. This would re-unite Walter Varney's airlines, which offspring includes Continental and United. Both airlines have taken losses in the recession and expect the merger to generate savings of more than a year. Combined, they fly to some 370 destinations in 59 countries from their ten hubs, and carry passengers a year. Combined revenues will be about . In July, the merger of the two airlines was approved by the European Union. On August 27, 2010, the U.S. Department of Justice approved the $3 billion merger and shareholders of both the companies approved the merger on September 17, 2010. On October 1, 2010, UAL Corporation (the parent company of United Airlines) completed its acquisition of Continental Airlines and changed its name to United Continental Holdings, Inc. Although the two airlines remained separated