Although business-class seats only take up a few rows on an airplane, the money they bring in accounts for 30 percent of global airline revenues. As a result, many upscale air carriers have upgraded their premium cabins with increasingly posh amenities. Emirates’ double decker Airbus, for instance, has a bar onboard where first-class passengers can meet and mingle. And on Singapore Airlines premium customers have a menu of more than 60 gourmet dinners available to choose from.

But while the Continue reading →