Hi.
Have you tried removing all add-ons and clearing the community folder?
A reply from Asobo I received about the thread here called “long haul performance degradation bug back?” (or something like that…
Blockquote
You can also try the following to see if it helps:
-
Delete and turn OFF rolling cache
- Launch Microsoft Flight Simulator
- Go to Options > General
- Go to Data
- Scroll to the bottom and go to Delete Rolling Cache File. Click on Delete
- Confirm your choice by selecting OK
- Turn rolling cache “OFF”
-
Go to Options > General Options > Traffic
- Turn all “Airport Life” and “Land and Sea Traffic” sliders to 0