As seen in the video below from E3, Wii Sports: Airplane remains a mystery with nary a word being spoken about it after its initial showing. Will this be a standalone product or perhaps a downloadable add-on for Wii Sports in the future?
There is this pre-order page at EBGames.com and this blurb at IGN where they claim it to be perhaps part of a larger “Wii Motorsports” package or even possibly part of Pilotwings. GameSpot.com also has a hands-on from the E3 build of the title but little else as of when or how it would be released. Check the video for in-game footage of the game and notice the Wii Sports titling: