 Rocky Mountain News Network. I'm Teresa Taylor. Another Boeing plane has lost a wheel on takeoff. This is the second time this year a United flight has lost a wheel on takeoff. This time it was United Flight 1001, which was destined for Denver. It took off from the Los Angeles International Airport just before 7 a.m. Pacific time, according to FlightAware. The flight landed safely in Denver at 10 a.m. United said they are investigating the cause of the malfunction.