American Airlines (AA, Dallas Fort Worth International (DFW)) and US Airways (US, Phoenix Sky Harbor International (PHX)) have announced that the two boards of directors have agreed to merge forming the largest carrier in the United States and the world overtaking United Airlines (UA, Chicago O'Hare International (ORD)) in terms of yearly passengers carried. The new merged airline will retain the American Airlines brand, be a member of Oneworld alliance and lead by current US Airways CEO Doug Parker with American Airlines CEO Tom Horton becoming chairman of the merged airline. American Airlines parent AMR debtors will own 72% of the airlines with US Airways shareholders receiving the remaining 28% of the stock. AMR currently operates under Chapter 11 bankruptcy protection and will emerge from bankruptcy as part of the merger. The two carriers expect the merger to be completed within six months according to statements made by Doug Parker with the carrier’s headquarters to be near Dallas Fort Worth International (DFW). Fully owned regional carriers American Eagle Airlines (MQ, Dallas Fort Worth International (DFW)), Piedmont Airlines (PDT, Salisbury Ocean City Wicomico Regional (SBY)) and PSA Airlines (JIA, Dayton James M. Cox International (DAY)) will continue to operate as separate carriers operating under the American Eagle brand going forward. American currently operates 604 aircraft with 277 aircraft operated by regional carriers. US Airways operates 337 aircraft with regional carriers operating 283 aircraft on its behalf. The combined fleet of both carriers will be approximately 1500 aircraft including regional partners according to ch-aviation data as of today. The two airlines have announced they continue to operate all hubs at Charlotte Douglas International (CLT), Chicago O'Hare International (ORD), Dallas Fort Worth International (DFW), Los Angeles International (LAX), New York John F. Kennedy International (JFK), Miami International (MIA), Philadelphia International (PHL), Phoenix Sky Harbor International (PHX) and Washington Ronald Reagan National (DCA).