The head of United Airlines has hinted at the possibility of renewing merger talks with Continental Airlines, according to a report in the UKÔÇÖs Financial Times. According to the paper, Glenn Tilton, chairman and CEO of Chicago-based United, said that the market seemed to be in favor of rival DeltaÔÇÖs takeover of Northwest. Delta merged with Northwest in 2008, creating a group with a market capitalization of $9.5 billion, compared with a combined market value of just below $5.5 billion for United and Continental.