Buffett also says airplanes "may become like cattle cars," but that's because a significant number of passengers will put up with crowding in exchange for cheaper fares.
Buffett, whose Berkshire Hathaway Inc. Is a major shareholder of United and other big US airlines, said today that the recent spotlight on poor customer service in the airline industry doesn't change his investment strategy.
The billionaire financier made the comments in an interview with CNBC.