The July, 2019 Airline Pet Travel Report contains pet incidents for the month of May, 2019.
Delta Airlines had a death of a cat this month on a flight from Los Angeles, CA to Raleigh, NC where a 20 year old cat, traveling with two other cats, was found unresponsive upon arrival.
Hawaiian Airlines had a death of a bulldog on a flight between Honolulu and Kailua-Kona.
United Airlines had two injuries this month, one of a cat and the other of a dog. Causes were both self-inflicted.
Source: July 2019 Air Travel Consumer Report.