I feel your frustration over this. Your system should be giving pretty good performance here. I run a I7 - 7700, GTX 1080, 64GB RAM, M2 NVMe, no OC, on a very clean build and I’m actually surprised how well mine handles it. I’ve been looking to upgrade my 1080 but that’s another story in itself. I’m still impressed by the 1080 so I can wait on that.
I just flew the stock A320 from KSEA to KPDX with live traffic and live weather on. The flight was flawless for me. FPS range in cockpit 35-45. FPS exterior view 35-50 depending on location. I have FPS locked at 60 with Vsync set OFF. Photogrammetry was switched off for me by choice because of seeing the melted look in some areas.
The A320 operated perfectly fine for me also. I flew ILS utilizing AP until almost touching down on runway. The ATC was it’s usual mess trying to have me fly way above flight plan altitude which I just ignored. The usual glitches of course. But they did not interfere with completing the flight.
I did see a lot of users citing similar issues to yours the last couple of days and the thinking was issues on the server side and not on the users side. I would try the flight again if I were you and see how it goes. It is a strange phenomenon that issues vary so much between users and systems, but there can be lots of reasons for that.
As I have said, MSFS is still in it’s infancy at 8 months out. I can hear the people yelling out loud, saying they shouldn’t have released it until the kinks are out of it. If release were still being held up to this point, we would hear the same people screaming about why they haven’t released MSFS yet.
I still think it’s the best one out there and the future will bear that out with the help of 3rd party developers adding great things to it. I say hang in there with it man. When and if it gets frustrating, step away and play another game for a while. Don’t yell at the wife or kick the dog or anything. They don’t understand our frustration with it anyway. It will improve over time.