TechCrunch reported and Budget Travel confirms that American Airlines is pulling its fares out of the granddaddy of all airfare aggregators, Kayak. com. Effective August 1, you won't see AA fares on Kayak. TechCrunch also reports, citing "the CEO of a competing travel site" as a source, that American is "considering doing the same with Orbitz. If it does so, other airlines such as Continental and Northwest may follow suit. "