Article Photos: Latest airline perk: Safe distance from the masses 1/5

This combination of Associated Press file photos show, on the left, a first class interior section of a United Airlines 747 plane at San Francisco International Airport in San Francisco in 2011, and on the right, the coach interior section of  a JetBlue E190 plane at  Seatac International Airport in Seattle, in 2008.  Henry Harteveldt, an airline analyst with Hudson Crossing says “First class has become a way for a traveler to have an almost private jet-like experience.” (AP Photo/File)