Presumably a wrong B747.
I haven't seen the movie yet but from all I read about it, it contains an airplane scene in which a wrong airplane is shown for the time the film is set. The Internet Movie Database (IMDB) lists two goofs (movie errors) related to aircraft in that movie:
Pan Am did not introduce the Boeing 747 until
January, 1970, over five months after the
When showing the 747 model in at least one of the
flight scenes, the wrong model was shown. A model
of a 747-800 series (with some of the windows edited
out) was used. The 800 series didn't fly until
Sometimes the trivia section also lists some information like The plane at 32:00 was a G5 but as of now there's no such hint for this movie and the B747 is just a guess because it is the only aircraft mentioned in the context of this film.