ATLANTA AP – UAL Corp.’s United Airlines and DeltaAirLines Inc. have been discussing a combination between the nation’s second- and third-largest carriers that would keep the United name and the corporate headquarters in Chicago, The Associated Press has learned.

But Delta issued a statement denying “published reports that it had engaged in merger talk with United.” The statement added, “There have been no talks with United regarding any type of consolidation transaction and there are no such ongoing discussions.”