The new Delta SkyClub at Los Angeles International Airport (LAX), Terminals 2 and 3 where the reimagined state-of-the-art facilities will soon welcome millions of guests each year.Media News Group | Long Beach Press-Telegram via Getty ImagesWhen United Airlines gate agents call the first boarding group, Ted Cohen notices something he never saw in his decades crossing the globe as a music industry executive: crowds.The “preboarding” group includes members of United Global Services, an invitation-only status for top customers, and United Premier 1K, an upper-level tier in the airline’s Mileage Plus frequent flyer program.”It used to be two or three people, and you used to say, ‘Who is that?’ And now it’s a small army,” said Cohen, who leads a digital entertainment consulting firm and has lifetime elite status on United and American Airlines.Welcome to air travel’s era of mass luxury.Travelers willing to shell out more for tickets and popular rewards credit cards are swelling ranks in front cabins and airport lounges. Now airlines are trying to handle the surge of big spenders — without compromising the appeal of their lucrative loyalty programs and most expensive seats. This year, not everyone will make the cut.The largest U.S. carriers — Delta Air Lines, American and United — are raising spending requirements to earn some …
