More than a dozen global airlines have a version of "basic business class" that strips perks like lounge access in exchange for a lower ticket price. Patrick T. Fallon / AFP via Getty Images "Basic" business class can make premium travel cheaper by removing traditional amenities. United and Delta are the first US carriers to unbundled their higher-class seats. Critics warn that basic business may make all-inclusive fares more expensive over time. A new trend is emerging in the US airline marke