Alaska Airlines flight AS-892 had to return and make an emergency landing in Honolulu, Hawaii, on April 5th.
The Boeing 737-800 plane took off for San Diego, California, but had to turn back after an unusual odor in the aft cabin caused nausea and headache to four crew members.
The plane landed back uneventfully. The affected crew members were taken to a hospital.
An American Airlines flight had to divert and make an emergency landing in Little Rock, Arkansas, on April 2nd.
The plane heading from Destin, Florida, to Dallas, Texas, was diverted after an electrical odor was noticed in the cabin.
The plane landed safely. All passengers and crew members remained unharmed.
A Hawaiian Airlines flight had to divert and make an emergency landing in Kahului, Hawaii, on March 27th.
The plane heading from Oakland, California, to Honolulu, Hawaii, was diverted after smell of smoke was noticed in the cabin.
The plane landed safely. All 241 passengers and 10 crew members aboard remained unharmed.
Delta Airlines flight DL-803 had to return and make an emergency landing at Cincinnati/Northern Kentucky International Airport, Kentucky, on March 23rd.
The plane took off for Orlando, Florida, but had to return shortly afterwards due to reports of a smoky odor in the cabin.
The plane landed back safely. All 148 passengers aboard remained unharmed.
The airline arranged a replacement plane for the passengers.
Spirit Airlines flight NK-779 had to divert and make an emergency landing in Newark, New Jersey, on March 20th.
The Airbus A321-200 plane heading from LaGuardia Airport, New York, to Fort Lauderdale, Florida, was diverted after the crew noticed an odor on-board.
The plane landed safely. All passengers and crew members remained unharmed.
The airline arranged a replacement plane for the passengers.
SpiceJet flight SG-192 had to divert and make an emergency landing in Hyderabad, India, on March 5th.
The Boeing 737-800 plane heading from Bangalore to Delhi, India, was diverted due to a foul odor coming from a lavatory.
The plane landed safely. All 188 passengers and 6 crew members remained unharmed.
Oman Air flight WY-123 had to divert and make an emergency landing in Sofia, Bulgaria, on March 4th.
The Airbus A330-300 plane heading from Muscat, Oman, to Munich, Germany, was diverted after the crew noticed smell of smoke in the cabin.
The plane landed safely. All passengers and crew members remained unharmed.
Jazz Air flight QK-8029 had to return and make an emergency landing in Edmonton, Alberta, Canada, on February 28th.
The plane took off for Vancouver, British Columbia, Canada, but had to turn back after the crew noticed a burning electrical odor in the cabin.
The plane landed back safely. All 72 people aboard remained unharmed.
Southwest Airlines flight 4378 had to divert and make an emergency landing in Omaha, Nebraska, on February 23rd.
The plane heading from Denver, Colorado, to Chicago, Illinois, was diverted after the crew noticed an unusual odor in the cabin.
The plane landed uneventfully. All 140 passengers and 5 crew members remained safe.
British Airways flight BA-123 had to return and make an emergency landing at Heathrow Airport, United Kingdom, on February 12th.
The Boeing 777-200 plane took off for Doha, Qatar, but had to turn back after the crew reported an electrical odor onboard.
The plane landed uneventfully. Everyone aboard remained safe.
Germanwings flight 4U-7218 had to return and make an emergency landing in Hamburg, Germany, on January 29th.
The Airbus A319-100 plane took off for Stockholm, Sweden, but had to return shortly afterwards after the crew reported an unidentified odor on board.
The plane landed back uneventfully.
Three passengers were taken to hospitals with respiratory problems while several others were treated at the airport.
Spirit Airlines flight NK-866 had to divert and make an emergency landing in Lubbock, Texas, on January 4th.
The Airbus A320-200 plane flying from Los Angeles, California, to Dallas/Fort Worth International Airport, Texas, was diverted after the crew noticed a foul odor on-board.
The plane landed safely. All 94 people aboard remained unharmed.
Brussels Airlines flight SN-241 had to divert and make an emergency landing at EuroAirport Basel Mulhouse Freiburg, France, on January 2nd.
The Airbus A330-300 plane heading from Monrovia, Liberia, to Brussels, Belgium, was diverted after the crew noticed smoke and a burning odor aboard.
The plane landed safely. All passengers and crew members remained safe.
United Airlines flight UA-789 had to return and make an emergency landing at Portland International Airport, Oregon, on October 13th.
The Boeing 737-900 plane took off for Denver, Colorado, but had to return shortly afterwards due to an electrical smell onboard.
The plane landed safely. There were 177 people aboard at the time; all of them remained unhurt.
Austrian Airlines flight OS-418 made a safe emergency landing at Vienna International Airport, Schwechat, Austria, on October 1st.
The Airbus A321-200 flying from Paris, France, was about to land when the crew noticed a strong smell of wet cloth or old socks, and donned their oxygen masks.
The plane landed safely.
No one was injured.
Germania Airlines flight ST-3356 made an emergency landing in Erfurt, Germany, on September 22nd.
The Boeing 737-700 plane took off for Tenerife–South Airport, Spain, but had to turn back after the crew reported an unusual odor in the cockpit.
The plane landed safely. All 119 passengers aboard remained safe.
First Air flight 7F-866 had to return and make an emergency landing in Montreal, Canada, on September 19th.
The Boeing 737-400 plane took off for Kuujjuaq, Canada, but had to turn back after a strong odor was noticed in the cabin and cockpit.
The plane landed safely. All 69 people aboard remained unhurt.
American Airlines flight AA-56 had to return and make an emergency landing in Miami, Florida, on September 2nd.
The Boeing 777-200 plane took off for Heathrow Airport, London, United Kingdom, but had to return shortly afterwards due to an unusual smell onboard.
The plane landed uneventfully. Everyone aboard remained safe.
The airline arranged a replacement plane for the passengers.
Spirit Airlines flight NK-878 made an emergency landing in Orlando, Florida, on August 12th.
The plane took off for Latrobe, Pennsylvania, but had to return shortly afterwards due to a strong odor onboard.
The Airbus A320-200 plane carrying 179 people landed safely.
Two passengers and five crew members reported breathing difficulties and nausea. They were taken to hospital.
JetBlue flight B6-1131 had to return and make an emergency landing in Charleston, South Carolina, on July 18th.
The plane took off for Fort Lauderdale, Florida, but had to return shortly afterwards after an odor and light haze was noticed in the cabin.
The plane landed safely. No injuries were reported.
Air New Zealand flight NZ-103 had to return and make an emergency landing at Auckland Airport, New Zealand, on July 16th.
The Boeing 787-900 en-route to Sydney, Australia had to return due to an electrical burning odour aboard.
The plane landed safely.
The passengers were rebooked in other flights.
Air Macau flight MX-882 had to return and make an emergency landing at Macau International Airport, Macau, on July 11th.
The Airbus A321-200, en-route to Bangkok, Thailand, had to return due to an unusual odour aboard.
The plane landed safely.
No one was injured.
All Nippon Airways flight NH-1899 made an emergency landing in Sapporo, Japan, on June 20th.
The plane was flying from Aomori, Japan, when the crew needed to shut down an engine due to an unusual odor on-board.
The plane landed safely. All 41 people aboard remained unharmed.
Jetstar flight JQ-517 had to return and make an emergency landing at Sydney Airport, Australia, on Jun 19.
The Airbus A321-200, en-route to Melbourne, Australia, had to return due to an unusual odour on board.
The plane landed safely.
No one was injured.
Southwest Airlines flight WN-4187 had to make an emergency landing in Milwaukee, Wisconsin, on May 30th.
The plane, heading from Grand Rapids, Michigan, to Denver, Colorado, was diverted after the crew reported an unusual odor in the cabin.
The plane landed safely. All 133 people aboard remained unhurt.
Mechanics found that a small loose hose was the source of odor.