CO is already on top of that by virtue of its new partnership with United, in which the companies will actively cooperate to a level seldom seen in the U.S. industry and invariably "mirror" various business practices from each other. Short of ruining itself with a costly, divisive, merger it cannot afford in the near term, or debasing its product to a point where attempts to market it become laughable to road warriors and leisure travelers alike, what more -- beyond the new UA partnership -- do you want CO to take away from its legacy peers?