United Airlines Holdings Inc — United Airlines Holdings, Inc., through its subsidiaries, provides air transportation services in the United States, Canada, Atlantic, the Pacific, and Latin America. It transports people and cargo through its mainline and regional fleets. The company also offers ground handling, flight academy, frequent flyer award non-travel redemptions, and maintenance services for third parties. In addition, it provides freight and mail transportation services to commercial businesses, freight forwarders, logistics firms, and national postal services, as well as loyalty programs. The company distributes it….· via yahoo