A United Airlines flight made an emergency landing in Denver this morning.United flight 867 was en route from Toronto to San Francisco when the pilot noticed some engine vibrations, said Rahsaan Johnson, a spokesman for the airline.

A United Airlines flight made an emergency landing at Tampa International Airport late Monday morning.

An Orlando-bound flight was forced to make an emergency landing late Friday. The Icelandair flight was above the Atlantic Ocean when the crew was told it left a wheel from its landing gear on the runway in Iceland. The crew turned the plane around and made an emergency landing. There were 191 passengers onboard. No injuries were reported.