Awkwafina, who voices Courtney in the film, had also starred in the film Crazy Rich Asians (2018). One of the eagle guards in this film is shown reading a book titled, "Crazy Rich Avians".

An early draft of this movie had a plot where the eagles come to destroy Piggy Island but was scrapped due to its serious tone.

Released the same year as The Secret Life of Pets 2 (2019), similar to how the first The Angry Birds Movie (2016) released the same year as The Secret Life of Pets (2016).

Leslie Jones and Peter Dinklage "rekindle their romance" that began with a sketch on Peter Dinklage/Gwen Stefani (2016).

Released the same year as Frozen II (2019), a sequel to another animated film that Josh Gad and Sterling K. Brown appear in.