Spirit Airlines, an impish upstart that shook the industry with its irreverent ads and deep discount fares, announced this week that it has gone out of business after 34 years. The ultralow cost airline that once operated hundreds of daily …


Spirit Airlines, an impish upstart that shook the industry with its irreverent ads and deep discount fares, announced this week that it has gone out of business after 34 years. The ultralow cost airline that once operated hundreds of daily …