Frontier Airlines flight F9-1286 had to return and make an emergency landing in Denver, Colorado, on May 14th.
The Airbus A319-100 plane took off for Chicago, Illinois, but had to turn back due to an unidentified odor on-board.
The plane landed back safely. All passengers and crew members remained unharmed.
Cathay Pacific flight CX-157 had to divert and make an emergency landing in Manila, Philippines, on October 9th.
The Airbus A350-900 plane heading from Hong Kong, China, to Brisbane, Australia, was diverted after it encountered severe turbulence that injured six crew members and one passenger.
The plane landed safely. The injured were taken to hospital.
Alaska Airlines flight 644 had to return and make an emergency landing at Portland International Airport, Oregon, on April 13th.
The plane took off for Phoenix, Arizona, but had to return shortly afterwards after it lost pressurisation.
The plane landed uneventfully. There were 144 passengers and 5 crew members aboard at the time; all of them remained safe.
The airline arranged a replacement plane for the passengers.
Delta Airlines flight DL-1943 returned to Detroit, Michigan, on December 30th.
The Boeing 717-200 plane took off for Atlanta, Georgia, but had to turn back after the crew noticed a bird in the flight deck.
The plane landed back safely.
The bird was set free.
Scandinavian Airlines flight SK-995 made an emergency landing in Copenhagen, Denmark, on October 15th.
The plane took off for Beijing, China, but had to return shortly afterwards due to an engine bleed issue.
The plane landed safely. Everyone aboard remained unhurt.
United Airlines flight UA-881 returned to O’Hare International Airport, Chicago, Illinois, on June 16th.
The Boeing 777-200 plane took off for Narita International Airport, Japan, but had to return shortly afterwards due to an engine problem.
The plane landed back safely. All passengers and crew members remained unharmed.
FedEx flight FX-3022 had to divert and make an emergency landing in Wichita, Kansas, on May 3rd.
The freight plane, heading from Oakland, California, to Newark, New Jersey, was diverted after the crew reported a hydraulic failure.
The plane landed safely. There were 2 crew members aboard at the time; both of them remained unhurt.