UPDATE: 4/1/13, 3:40 p.m. EDT. Akin Gump Strauss Hauer & Feld has registered to lobby for U.S. Airways on its potential merger with AMR, according to sibling publication The Blog of Legal Times.

A month after nearly a dozen Am Law 100 firms climbed aboard the proposed $11 billion merger between US Airways Group and American Airlines parent AMR, a U.S. bankruptcy judge in Manhattan has approved a deal that would join the two and create the world’s largest commercial air carrier.