I want to start by saying I prefer playing online and that 'offline' mode feels rather empty without other players, but for the sake of experimenting and bug hunting without network crashes, I decided to try the offline mode and see how far I could get.
I managed to get almost 12 hours into a single session. Granted, the last 7 hours were my ship attempting to coast from Yela to Daymar on an empty tank, fact is the game client didn't crash once.
Here's a clip from an earlier part of the session where I was doing cargo runs with a freelancer.
https://www.twitch.tv/videos/205697570
Here's a 7 hour clip of my dead ship floating in space (just to prove the client stayed up).
https://www.twitch.tv/videos/205743957
Anywho.. my point here is that there's a remarkably stable game hidden behind the netcode issues. Obviously it's not feature complete, but my patched up version of Far Cry 4 crashes far more often than SC did for me last night. I had a few hiccups and stutters in Levksi, but everywhere else it was a smooth framerate.
PS.. interesting note about the 7 hour trip to daymar.. I ran out of fuel during a slight turn, so my ship's inertia had it slowly, slowly spinning in a circle while it's main trajectory didn't change. This resulted in the ship doing a few 360's over the 7 hour trip. (Which at 650ms only got the ship halfway between yela and daymar).