United Airlines plane en route from San Francisco to Boston had to be diverted due to a damaged wing. The Boeing 757-200 with 165 passengers on board landed in Denver to fix "a problem with a slat" It is unclear what caused the damage.
The passengers had to transfer there to another plane that arrived in Boston later in the day. A passenger named Kevin Clarke filmed the landing with the damaged wing, the video was published by Boston 25 News, among others. The plane landed safely in Denver.