I find it is at its worst when there are a lot of consoles in the game, or when there are a lot of people playing outside of their region. When the match is mostly PC, things seem to run alright, but 50% console and the whole thing just feels terrible. Same with VPN users, I feel like they are playing a completely different game with how much of a lag advantage they get.
At night, I find a lot of people using VPNs. The console issue is just pervasive at all times, sometimes you get lucky sometimes you want to rip your hair out with how laggy and just bad everything feels.