How is “quite some” used?

In Come from Away (2021), one line is: “as some planes may still be here for quite some time.”

Which movie is “quite some” from?

The clip at the top of this page is from Come from Away (2021).

a large amount of sth

Heard in 12 movies

Oxford83% of films
a large amount of sth
quite some time, and yet, she was having trouble getting her credentials.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

as some planes may still be here for quite some time.

Said in 8 films · #1