When Anora and Igor leave Aleks" home for the last time she has three pieces of luggage. When they reach Anora's home, Igor brings only two pieces of luggage to her door.
Anora's accent changes back and forth throughout the movie.
When Ani and Ivan wake up after a crazy night of partying, they remark that they slept all day and that the current time is 5pm. However, the sky outside is still bright, even though it's December, and it gets dark in NY before 5pm that time of year,
Despite taking place in 2019, Galina's iPhone is an iPhone 12 Pro or newer, which was released in 2020.
When Anora and Vanya are walking in Las Vegas immediately after getting married, director Sean Baker can be seen briefly walking with his hand held video monitor. As he was watching the live camera shot, he realized he was visible and quickly tried to get out of the frame.
It doesn't occur to Ani to check the club she previously worked at during the search for Vanya, despite it being where they first met.
In a Vegas scene, a character refers to "McCarran Airport." While the international airport in Las Vegas had been known as McCarran International Airport for many decades, its name was changed to Harry Reid International Airport in late 2021.