Generally speaking, no.

That being said, I would run some other tests, to other endpoints and with other speed test providers, to confirm or deny what’s going on. Then, if I could nail down a pattern (e.g., routes to Madtown suffer but routes to Portland ME are low latency), I’d run it up my ISPs flagpole as a service issue.

Upload speeds, on many internet connections, have been known to be capped – typically a provider-enforced cap. What type of connection are you using remotely? Fiber, cable, hotspot, etc.?

I’m not sure you know what 90% is