This is surprising to me because Kayak uses ITA Software [1] which is owned by Google. Perhaps Kayak has better relationships with the airlines than Google and

This is surprising to me because Kayak uses ITA Software [1] which is owned by Google. Perhaps Kayak has better relationships with the airlines than Google and cultivates more accurate pricing this way. [1] http://www.itasoftware.com/index.html http://www.itasoftware.com/index.html