J-Air Co., Ltd. (株式会社ジェイエア, Kabushiki-gaisha Jei Ea), is a regional commuter airline with its headquarters in the Terminal Building in Nagoya Airfield and in Toyoyama, Nishikasugai District, Aichi, Japan and its main hub at Nagoya Airfield. J-Air previously had its headquarters in Ōmura, Nagasaki Prefecture. Its operations include scheduled passenger services to 16 destinations across regional Japan, under Japan Airlines' flight numbers.