What is airtime or channel busyness?
Wi‑Fi is shared and half-duplex: devices take turns. High activity or interference leaves less airtime and can increase latency and reduce throughput.
Total busy; own activity; other interference; retries.
RF review if persistently extreme.
Show the technical detail
On a managed Wi-Fi plan
Use radio analytics and client usage to locate cause/time.
On another provider's router
Some ISP tools expose channel scans.
What to be careful of
Busyness alone does not identify the offending device with certainty.
Where this comes from: Official · see the original source ↗ · Draft—technical review · checked 17 August 2026