You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract How American Airlines Got a Free Ride in 'Up in the Air' Airline, Hilton Hotels Trade Production Savings for Product Integrations in George Clooney's Latest Movie By Andrew Hampp, Published on December 14, 2009 4 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.