Wairtransse is an airline headquartered in the Nichinan Trading Building Shinjuku, Tokyo, Japan. It operates scheduled passenger services. Its main base is Hakodate Airport in Hakodate, with a hub at New Chitose Airport; both are in Hokkaido.
WANA Wings Co.,Ltd. is a regional airline with its corporate headquarters at Itami Airport near Osaka, Japan and a wholly owned subsidiary of All Nippon Airways (ANA). The airline was formed on 1 October 2010 through the merger of Air Next, Air Central and Air Nippon Network.
WIbex Airlines Co., Ltd. is a Japanese regional airline headquartered in Kōtō, Tokyo, Japan. It operates Japanese domestic services with its main base at Sendai Airport, Natori, Miyagi.
WJapan Air Commuter Co., Ltd. is a Japanese airline based in Kirishima, Kagoshima Prefecture. It operates feeder services in support of Japan Airlines. Its main base is Kagoshima Airport, with hubs at Osaka International Airport, Amami Airport and Fukuoka Airport.
WKyokushin Air was a commuter airline serving visitors and residents of Sado Island, Niigata Prefecture, Japan. It commuted between Sado Island and Niigata Airport. The airline used Britten-Norman BN2 Islander aircraft for its services.
WNew Central Airservice Corporation is an airline with its headquarters on the grounds of Ryūgasaki Airfield in Ryūgasaki, Ibaraki Prefecture, Japan. It operates domestic services and its main base is Chōfu Airport, Tokyo.
WOriental Air Bridge Co., Ltd. is an airline headquartered on the grounds of Nagasaki Airport and in Ōmura, Nagasaki Prefecture, Japan. It operates charter services throughout southern Japan, as well as scheduled services between Nagasaki and Fukuoka. Its main base is Nagasaki Airport, with a hub at Fukuoka Airport. The airline was established in 1961 as Nagasaki Airways. It was renamed Oriental Air Bridge in March 2001.