Satellite latency record figures

Starlink is the fastest benchmark here, with 45 ms median in Q1 2025, below-600 km LEO, and a 20 ms target.
OneWeb sits about 1,200 km up, and latency figures vary from 32 ms to 70-80 ms.
SES O3b mPOWER is MEO at 8,000 km and under 150 ms, between LEO tens and GEO 600-700 ms.
HughesNet's GEO service sits about 22,000 miles up and logged 683 ms median in Q1 2025.
Viasat is the slowest here, with 684 ms median in Q1 2025 from GEO about 22,236 miles up.

Latency is the Achilleâs Heel for HughesNet, Viasat | OoklaÂ®

OneWeb LEO Constellation

OneWeb’s low-Earth satellites hit 400Mbps and 32ms latency in new test

Eutelsat OneWeb: latency in LEO around 70 to 80 milliseconds - World Teleport Association

MEO | SES

First Two O3b mPOWER Satellites Successfully Launched | SES

How Fast Is Satellite Internet? Speeds & Latency Compared (2026)

Satellite Latency Comparison: GEO vs LEO vs MEO Explained | Satcom Index | Satellite Internet Guide & Tools for Indonesia & Middle East

How Does Satellite Internet Work? | Hughesnet®

ViaSat-3: Ultra-high-capacity satellites

Satellite latency record figures

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