Actually Lufthansa has diverted flights from Tokyo to Nagoya and Osaka
Swiss International Air Lines has interim stop to Hong Kong on its route to Tokyo in order to shorten turnaround times in the Japanese capital
Austrian Airlines said its NRT-Vienna flights would make a stop at Seoul Incheon to allow crews to layover in South Korea instead of Japan.
HOWEVER, Hong Kong's flagship airline Cathay Pacific said Tuesday it would keep flying to and from Tokyo