CHICAGO - United Airlines says last month's back-to-back winter storms along the East Coast cost it $40 million in revenue, trumping smaller weather-related revenue losses reported by other U.S. carriers. United's disclosure Monday came after US Airways reported losing $30 million; Continental, $25 million; and Southwest, $15 million. Delta and American, the nation's two largest airlines, did not report storm-related revenue losses when they disclosed February traffic figures last week. The storms caused the cancellation of several thousand flights, many of them in a band stretching from Washington to New York.

- Associated Press