The Daily Mail states that the plane that crashed in Houston was chartered for Amazon Prime.
Boeing 767 Atlas Air cargo jet operating for Amazon Prime Air crashes on approach to Houston, Texas with three people on board
Atlas Air Flight 3591 was on route to Houston's George Bush International Airport from Miami when it went down
The twin engine Boeing 767 flying for Amazon Prime Air crashed into Trinity Bay near Anahuac, Texas
The FAA says it was indicated that three people were on board the flight.
https://www.dailymail.co.uk/news/article-6737937/Atlas-Air-cargo-jet-operating-Amazon-Prime-Air-reportedly-crashed-approach-Houston-Texas.html