August 3, 2012 - The pilots of United and Continental Airlines, after more than two years of negotiating with the company for a joint collective bargaining agreement, and with the assistance of the National Mediation Board (NMB), have reached an agreement-in-principle (AIP) with United Continental Holdings, Inc., on major economic issues. While some details of an agreement still remain open, the pilots are confident a final AIP can be worked out in the coming days.