My Wi-Fi drops every day at the same time, and I finally understand it's not my router

Published Sep 28, 2026, 2:30 PM EDT After a 7-year corporate stint, Tanveer found his love for writing and tech too much to resist. An MBA in Marketing and the owner of a PC building business, he writes on PC hardware, technology, and Windows. When not scouring the web for ideas, he can be found building PCs, watching anime, or playing Smash Karts on his RTX 3080 (sigh). Over the last few weeks, I've been experiencing poor Wi-Fi performance in the evenings. This had never happened before, so my first instinct was to blame my ISP, followed by a desperate attempt to change my router settings. I was hoping that an overlooked router setting would give my Wi-Fi network the boost it needed to overcome whatever was tanking it in the background. It was only recently that I realized I was simply observing peak-time slowdown rather than an isolated Wi-Fi issue. Since there was little I could do to reduce the network traffic around me, I decided to reduce my dependency on Wi-Fi as much as possible. I tried "fixing" my router settings, but it didn't help I was barking up the wrong tree Since I hadn't made any changes to the devices or the kind of workloads I ran, I decided to navigate the router settings to spot something that could mitigate the Wi-Fi slowdown I was experiencing. I started with enabling the QoS settings, which I had not considered necessary until then. QoS is supposed to prioritize traffic, so that the router doesn't simply handle everything on a "first-come, first-served" basis. When this didn't fix my Wi-Fi woes, I checked the router's transmit power, and lowered it from 75% to 50%, hoping it would minimize the interference with neighboring networks. I also used WiFi Analyzer to check for the best wireless channel in my vicinity, since the router's auto channel selection could have been outdated. I also lowered the channel width to further mitigate interference issues. Lastly, I changed the DNS servers to eliminate lookup latency. I had previously switched to Cloudflare DNS, but I used the DNS Speed Test to recheck the fastest DNS server for my location. Unfortunately, nothing really fixed the sluggish Wi-Fi performance I was suffering through in the evenings. I even suspected the ISP of throttling my bandwidth, but the speed was fine on my PC's wired connection. That's when I started thinking in a different direction. My own Wi-Fi network wasn't the problem It was everything around it I figured out, albeit a little late, that nothing was really "wrong" with my network. Blaming my ISP or the router settings was pointless, since there was nothing to "fix." It was normal Wi-Fi behavior. Since Wi-Fi is a shared medium, the neighboring networks around me affect my own not just via interference, but also due to increased load and latency. Wi-Fi latency always exists, but it reaches its peak during the evenings when everyone returns home. Over the last few months, the network load around me gradually increased to the point that it became a genuine drag on my home Wi-Fi. Everything from streaming, gaming, and background downloads to smart home activity peaked during the night, starving my Wi-Fi network of free airwaves. This is precisely why Wi-Fi is still not a perfect medium, with newer iterations like Wi-Fi 8 focusing on reliability instead of throughput. We need wireless networks to become more dependable by intelligently separating competing devices on the same airwaves. Moving my devices off Wi-Fi was the only real fix Ethernet removes all the limitations of Wi-Fi Since I had done most everything I could to optimize my Wi-Fi performance, I decided to offload as many devices from it as I could. This was the only lasting solution to my Wi-Fi woes. Nothing could be done for my smartphone, laptop, or iPad, but I finally routed an Ethernet cable to my smart TV. Wi-Fi speeds were fine on the TV, but moving to Ethernet got rid of the occasional buffering and streaming quality drops, especially during the evenings. I switched my console to Ethernet too, which certainly made things more seamless. Lastly, I decided to put in the effort to use wired backhaul on my mesh nodes instead of wireless. The latter was more convenient, but wired backhaul allowed my mesh network to reserve the wireless channels for device communication, moving backhaul responsibilities to Ethernet. Not every Wi-Fi slowdown may be fixable While you can change your hardware or tweak your settings to improve Wi-Fi performance to an extent, the core nature of wireless networks can't be overcome. Latency and interference will continue to trouble users in crowded urban environments. Hardwiring the devices you can is the way to go if you want the most reliable connection.