In China, airlines plug ‘all you can fly’ deals to pierce coronavirus clouds

China Southern Airlines on Tuesday rolled out an ‘all you can fly’ pass, becoming the latest in a fleet of cash-strapped carriers to join a promotional craze that analysts say has helped revive a coronavirus-ravaged air travel market. At least eight of China’s dozens of airlines have introduced similar deals since June, often priced around $500 for in some cases unlimited flights. Industry watchers say the packages have been a shot in the arm, with costs offset by otherwise empty seats being filled in a country where daily flights last month recovered to 80 percent of pre-coronavirus levels. The global…