After playing a few hours, FPS drops from 40 to 5FPS

[gordongreig]

A related thread that might offer some help?

Performance degradation during flight

Try this if not yet. I’m also a Quest 2 user and this worked for me. https://forums.flightsimulator.com/t/a-workaround-for-fps-drop-after-a-long-flight/437116?u=woodier72