Do you have the same issue if you follow the OP’s steps to reproduce it?
OP didn’t give any steps.
Provide extra information to complete the original description of the issue:
@DoubtfulWinter6, I recommend removing all of your mods. Below is what the airport looks like to me. Your terminal building does not even look like the one in my screenshot from World Update 12. Is it possible that you have another version of this airport installed?
If relevant, provide additional screenshots/video:
