One of the print buys I manage on a regular basis is Delta Sky. While many of the print publications out there are hard to quantify in comparison to digital tracking and analytics, I do see the value in this buy due to its captivated audience and sheer reach to business travelers. Good old circulation!
Taking a look back at the past 9 months, you can see the approach in terms of using real images and names of companies as opposed to your general ad fluff. It takes more work on my part to source all of the materials and get company approval, but I think it is worth it.
Check them out: