Lag when landing

Do you have any add-ons in your Community folder? If yes, please remove and retest before posting.
no
Are you using Developer Mode or made changes in it?
no
Brief description of the issue:
Is this happening just to me?

When i land and im about 1000ft above the airport i get massive fps drops for like 30 seconds then it kind of gets better. I dont know what is causing this, anyone happening same thing?
Provide Screenshot(s)/video(s) of the issue encountered:

Detail steps to reproduce the issue encountered:

PC specs for those who want to assist (if not entered in your profile)
i5-9400f
gtx1660 super
16gb ram

Did you submit this to Zendesk? If so, what is your ticket #?