United Continental Holdings Inc. said it is suing a Canadian engineering professor who runs a complaint website about the air carrier, but not to shut it down.
A United Airlines flight from London to Los Angeles was diverted to Montreal after air turbulence injured 10 people, the airline said.
An Air Shuttle airplane landed safely at Denver International Airport Friday after pilots reported problems with the plane's landing gear.
Pilots with Chicago's United Airlines said the company's massive delays this month were partly the result of crew shortages.
Two United Airlines planes were damaged at Chicago's O'Hare International Airport when their wingtips collided.
News of two more U.S. airlines abandoning passengers at airports because of bad weather in Denver earlier this month emerged Wednesday in a USA Today report.
News of a U.S. airline stranding passengers in Cheyenne, Wyo., two months ago emerged in a USA Today report Tuesday involving United Airlines.
United Press International