Southwest swept several customer satisfaction categories in a Zagat survey . Check out the full survey results here . 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 . Comment: