As a LEO network Starlink should have latency comparable to terrestrial connections. I've signed up and they say they'll service my area in "Fall of 2021." And I can see LANL from my house, so it's worth checking.
My starlink terminal is 23-30ms to downtown Seattle. Not as good as well implemented terrestrial connections but it's amazingly better than anything else satellite based.
I don't have any personal knowledge about it. I just did a Google search on starlink latency, and as Trump would say "people are saying ..." Seriously, I just checked the search results again and find that https://www.speedtest.net/insights/blog/starlink-hughesnet-v... says starlink's latency varies with location. EG. 45 ms in the US and 101 ms in New Zealand. Better than I would have guessed, but still not great.