Southwest swept several customer satisfaction categories in a Zagat survey . Southwest is one of the few airlines that allows customers to check their bags for free . Singapore Airlines was the top-rated international airline for both premium and economy seating . Comment:
Southwest swept several customer satisfaction categories in a Zagat survey . Southwest is one of the few airlines that allows customers to check their bags for free . Singapore Airlines was the top-rated international airline for both premium and economy seating . For the forth year in a row , LaGuardia was voted the worst airport .