High ping / packet loss after 4pm

Hi, I've been experiencing really bad ping times and packet loss recently. But the thing is it only happens around 4pm. (When people in my neighborhood start using the internet.) I ran a few WinMTR tests on 2 different IPs and here are the results (see attached images), is this normal? The issue could be the neighborhood node being overloaded. But I don't know who to call to talk about something like this.

Screenshots: https://imgur.com/a/MPnNdia (First ss is to Cloudflare's public DNS, second is to a Riot Game game server.)

Anyone had a similar experience? If so, any solution? 🙂