Lufthansa flight 452 had made an emergency landing at Calgary International Airport, Canada, on January 8.
The plane, en-route from Munich, Germany, to Los Angeles, USA, was diverted after a passenger fell ill mid-air.
The plane, carrying 272 passengers, landed uneventfully. The patient was shifted to hospital.

British Airways flight BA-4454 had to make an emergency landing at London City Airport, England, on February 17th.

Flybe flight BE-1333 had to divert and make an emergency landing in Manchester, England on February 26th.
Swiss International Air Lines flight LX-7288 had to return and make an emergency landing in Zurich, Switzerland, on July 4th.