Aeromexico flight 9101 was forced to divert and make an emergency landing in Chicago, Illinois, on February 5.
The Boeing 737-800 was en-route from General Mitchell International Airport in Milwaukee, Wisconsin to Cancun, Mexico, when the passengers heard a loud explosion. Shortly afterwards, the pilot announced that the aircraft was losing pressure and sought permission for an emergency landing in Chicago.
The plane landed safely. Everyone aboard remained unharmed.
The airline arranged an alternate aircraft for the passengers.

United Airlines flight UA-1098 had to return and make an emergency landing in Houston, Texas, on May 20th.
British Airways flight BA-360 had to return and make an emergency landing at Heathrow Airport, England, on May 17th.
Air France flight AF-1010 made an emergency landing in Nuremberg, Germany, on October 16th.
American Airlines flight AA-1051 had to return and make an emergency landing in Newark, New Jersey, on June 19th.