United Airlines flight UA-31 had to return and make an emergency landing in Munich, Germany, on May 30th.
The Boeing 767-300 plane took off for Newark, New Jersey, but had to return shortly afterwards due to an engine failure.
The plane landed safely. All passengers and crew members remained unharmed.

American Airlines flight AA-2472 had to return and make an emergency landing at Raleigh–Durham International Airport, North Carolina, on June 21st.
Eurowings flight EW-34 had to return and make an emergency landing in Cologne, Germany, on January 17th.
Cathay Dragon flight KA-622 had to return for an emergency landing in Hong Kong, China, on March 28th.