United Airlines (UAL) - Get United Airlines Holdings, Inc. Report is investigating why Simon, a giant bunny rabbit, did not survive his flight to Chicago's O'Hare airport from London's Heathrow. The 10-month old animal, reportedly one of the world's largest rabbits, was found dead in the plane's cargo hold. Simon was on his way to his new home.

United has had its share of issues lately and a report from MarketWatch noted that in 2016 the airline had the most reported animal deaths when compared to its peers. United is said to have had nine animal deaths and 14 injuries in 2016.

This was the second consecutive year United led in animal deaths. In 2015 United reported 14 deaths and eight injuries.

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