EasyJet, Ryan Air, and Norwegian are not crappy carriers that come and go. Low profit margins have to do with an industry that by-and-large is a commodity. Bu

EasyJet, Ryan Air, and Norwegian are not crappy carriers that come and go. Low profit margins have to do with an industry that by-and-large is a commodity. But prices have to do with operating costs and Norwegian and Ryan Air and Easy Jet have done a better job of controlling their operating costs than US carriers.