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LEO satellite internet is usually much faster to respond than geostationary (GEO) satellite service because its satellites orbit far closer to Earth. Starlink specifies 25–60 milliseconds (ms) of land latency in typical conditions, although it notes that some remote locations can exceed 100 ms. An International Telecommunication Union/Ookla comparison for the first quarter of 2025 reported median multi-server latency of about 45 ms for Starlink, versus about 683 ms for both HughesNet and Viasat. Those are medians, not guarantees for every address or plan, but they show why a low-Earth-orbit connection feels more like terrestrial broadband.
What satellite-internet latency measures
Latency is the delay between sending data and receiving the response. Internet tests normally report round-trip time (RTT): the time for a packet to travel from your connection to an internet destination and for the reply to return. Starlink describes latency in those terms, from the Starlink router to the internet and back.
RTT is different from bandwidth. Bandwidth determines how much data can move at once; latency determines how long an interaction takes to begin. A high-bandwidth connection can still feel sluggish when every request waits hundreds of milliseconds for a response. Conversely, a modest connection can feel responsive for web pages, calls or games when its RTT is low and stable.
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Why LEO is lower-latency than GEO
Geostationary orbit
A geostationary satellite circles above the equator at approximately 36,000 kilometres altitude and appears fixed over one point on Earth. The high orbit lets one spacecraft cover a large area and allows a dish to point at a stable location, but it creates a long space path. A request generally travels from the customer to the satellite, down to a gateway, across the internet, and back through the satellite path for the response. Even at the speed of light, that geometry imposes a substantial delay before processing and routing are added.
Low-Earth orbit
LEO constellations operate much closer to Earth. A terminal may use a satellite overhead and then hand traffic to another moving satellite or gateway as the constellation passes. The shorter radio path lowers propagation delay, which is why the European Commission describes LEO as a reduced-latency architecture. The trade-off is a moving network that needs many satellites, frequent handoffs and suitable gateway or inter-satellite links.
Altitude is only the floor, not the final result
The Federal Communications Commission cautions that propagation delay in a satellite network does not account for processing, routing and transporting traffic to its destination. Queueing in a congested beam, a distant gateway, an indirect route or a busy destination can add more time. The FCC also notes that LEO satellites are not subject to the same propagation-latency limitations as higher-orbit satellites. In practice, orbit determines the lower bound, while the whole network determines the number you experience.
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The following figures are useful benchmarks, but each has a defined measurement context. Do not treat them as a promise for every household.
| Service or measurement | Latency figure | What the number means |
|---|---|---|
| Starlink specification | 25–60 ms | Typical land latency stated by Starlink; the company says certain remote locations can exceed 100 ms and performance varies by location and time. |
| Starlink, ITU/Ookla Q1 2025 | About 45 ms | Median multi-server latency reported for the first quarter of 2025. |
| HughesNet, ITU/Ookla Q1 2025 | About 683 ms | Median multi-server latency reported for the first quarter of 2025. |
| Viasat, ITU/Ookla Q1 2025 | About 683 ms | Median multi-server latency reported for the first quarter of 2025. |
| FCC broadband measurement cited in its 2015 report | 638 ms | A measured satellite latency from testing conducted in 2013; it is historical context, not a current plan specification. |
| ViaSat measurement cited in the FCC 2015 report | 671.1 ms | A measured result from 2014 testing; it should not be read as a universal present-day value. |
The large difference between roughly 45 ms and roughly 683 ms explains the everyday contrast: a LEO connection can acknowledge an action in a few dozen milliseconds, while a GEO connection may take well over half a second for the round trip. Real results fluctuate around those benchmarks.
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How the delay is added on a real connection
- Local network: Wi-Fi interference, a busy router or a saturated upload can delay the packet before it reaches the terminal.
- User terminal and satellite link: The radio equipment schedules the transmission and communicates with a satellite. LEO has a shorter path; GEO has a much longer one.
- Satellite and gateway processing: The network authenticates, queues and forwards traffic. Handoffs or a heavily used beam can increase queueing time.
- Gateway and terrestrial routing: Traffic may travel a considerable distance over fibre before reaching the application server. A nearby satellite does not guarantee a nearby gateway or destination.
- Return path: The response traverses the route back to your terminal. RTT includes every component in both directions.
Satellite-to-satellite links can change the path again. They may avoid a distant ground station in some situations, but the resulting route still depends on constellation design, gateway availability and internet peering.
What the difference feels like in everyday applications
Video calls
At tens of milliseconds, conversation usually feels close to normal broadband. Participants can interrupt naturally because their speech and the response arrive quickly. Several-hundred-millisecond RTT creates a noticeable pause: people talk over one another, then stop and wait. A call can remain usable, but turn-taking is harder, especially when both sides have additional delay from microphones, encoding and the conferencing service.
Online gaming
Games that depend on rapid movement, aiming or parrying are sensitive to both latency and variation (jitter). A stable 45–60 ms RTT is generally easier to play than a 600–700 ms path. GEO service can still support turn-based games, asynchronous play and titles that tolerate delayed input; fast competitive games may feel unresponsive because the server receives your action long after you make it. Matchmaking distance, the game server and packet loss matter as much as the access network.
Remote desktop, cloud applications and VPNs
Every keystroke, screen update or encrypted request may require a round trip. LEO service therefore makes interactive remote work more practical. GEO service can handle file transfers and applications that buffer or batch requests, but scrolling, dragging windows and entering text can feel delayed. A VPN may add encryption and a longer route, so measure the complete path rather than assuming the satellite figure is the application figure.
Web browsing
Modern pages make many parallel requests. Low RTT lets those requests begin quickly, while high RTT stretches the time before the page becomes usable, even when download capacity is adequate. Browser caching, HTTP/2 or HTTP/3 and content-delivery networks can hide some of the delay, but they cannot remove it from every request.
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Streaming video
Streaming services normally download a buffer ahead of playback. Once that buffer is full, raw throughput and data policy matter more than RTT, so GEO service can stream successfully. Initial start-up, seeking and recovering after an interruption take longer when each control request crosses a several-hundred-millisecond path.
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- Location and geography: Starlink identifies location-dependent performance and says certain remote locations can exceed 100 ms. A long route to a gateway or destination raises RTT.
- Time of day and congestion: Busy beams, gateways or terrestrial links create queues. Starlink states that performance varies by location and time.
- Plan priority: Some service plans receive traffic priority during congestion. A lower-priority plan can show higher latency at busy times without any hardware fault.
- Routing and server choice: A test server across the country can produce a higher RTT than one nearby. Different test methods, including single-server and multi-server tests, are not directly interchangeable.
- Weather and obstructions: Rain or snow can interrupt or degrade the radio link. Trees, buildings and roof hardware in the line of sight can cause retries or outages that make applications appear slow.
- Home network load: Large uploads, cloud backups and weak Wi-Fi add queueing before the packet reaches the satellite terminal.
- Jitter and packet loss: Two tests with the same average RTT can feel different if one has spikes or retransmissions.
Coverage, line of sight and equipment considerations
LEO’s lower latency does not eliminate installation requirements. The terminal needs a clear view of the relevant sky so that moving satellites can be acquired and handed off. Obstructions may produce brief drops, retries and variable latency. Mounting location, cable quality and reliable power affect stability.
Starlink’s official specification describes a Starlink Kit containing a user terminal, Wi-Fi router, power supply and mount. The kit is the access hardware; it does not guarantee a particular RTT at every address. Check current availability, service terms and any regional restrictions for your location before ordering. Coverage, plan priority and data policies can change independently of orbit altitude.
GEO systems use a fixed pointing direction and can cover broad regions with fewer satellites. That can be valuable where terrestrial and LEO coverage are unavailable. The cost is the propagation delay inherent in the high orbit, not necessarily poor reliability or insufficient download capacity.
Choosing between LEO and GEO
| Question | LEO is usually the better fit when… | GEO may be adequate when… |
|---|---|---|
| Primary use | You make calls, use cloud software, connect through a VPN, operate a remote desktop or play responsive games. | You mainly browse, email, download files or watch buffered video. |
| Latency expectation | You want a typical RTT measured in tens of milliseconds, while accepting location and congestion variation. | You can tolerate several-hundred-millisecond RTT for non-interactive tasks. |
| Location | Your address has an open sky view and the constellation serves your region. | A fixed dish can reach a GEO satellite where LEO service is unavailable or obstructed. |
| Network behavior | You can accept satellite handoffs and plan-dependent congestion management. | You prefer a fixed satellite position and the provider’s available policy meets your data needs. |
| Application priority | Fast feedback and natural turn-taking are central to your work or recreation. | Buffering and batch processing hide most of the delay. |
These are architecture-level expectations, not a guarantee for an individual address. Compare the provider’s current plan rules, service availability, equipment requirements and local congestion information alongside the latency architecture.
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How to measure latency at your own address
Measure at several times and to more than one destination. A single number can reflect the test server or a temporary queue rather than the service’s normal behavior.
- Connect by Ethernet if possible. This removes much of the Wi-Fi variation. If you must use Wi-Fi, stand near the router and note the band in use.
- Stop competing traffic. Pause cloud backups, large downloads, video uploads and other devices that can fill the uplink.
- Run a baseline ping. On Windows, open Command Prompt and use
ping -n 20 example.com. On macOS or Linux, useping -c 20 example.com. Replace the example host with a reliable service you actually use. - Record minimum, average and maximum RTT and packet loss. Spikes are important for calls and games even when the average looks acceptable.
- Repeat at busy and quiet times. Test morning, evening and the hours when your household normally uses the connection.
- Compare destinations. A nearby test server, a work VPN endpoint and a game server can have very different routes.
- Check the terminal or provider app. Look for obstruction warnings, outages, dish status and service alerts before interpreting an unusual result.
A ping test measures ICMP traffic, which a provider or server may handle differently from a video call or game. For an application-specific view, run the application’s own network diagnostic or observe its in-game latency while noting the server region.
Troubleshooting unexpectedly high latency
Every test is high, including nearby destinations
- Test over Ethernet to separate Wi-Fi from the satellite link.
- Reboot the router and terminal only after checking for a provider outage; a reboot cannot fix regional congestion.
- Inspect cables, power and the terminal’s obstruction report.
- Repeat with household uploads stopped. Upload saturation can create bufferbloat that inflates every RTT.
Latency is normal until evening
This pattern points to congestion or plan priority rather than orbit physics. Save time-stamped tests, note the destination and contact the provider with those details. A plan change may alter priority, but it cannot remove the GEO propagation floor.
Only one game, VPN or website is slow
Check the application’s server region and route. A distant or overloaded endpoint can be slow while other destinations remain normal. Try the service without the VPN only as a diagnostic, then restore the VPN if it is required for security or work.
Short spikes and dropouts occur
Look for obstructions, severe weather, loose connections and Wi-Fi interference. A clear-sky installation and a wired connection can reduce local causes; persistent satellite-side events require provider support.
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Common questions
What is a good ping for satellite internet?
There is no single cutoff, but LEO services commonly operate in the tens of milliseconds, while GEO services commonly measure in the hundreds. Judge the result against your application: calls, gaming and remote control benefit most from lower and steadier RTT.
Is Starlink always faster than HughesNet or Viasat?
Its LEO architecture normally gives it a latency advantage. The ITU/Ookla Q1 2025 medians were about 45 ms for Starlink and about 683 ms for both HughesNet and Viasat. Local congestion, routing, weather, obstructions and plan conditions can still change an individual test.
Can GEO satellite internet support video calls?
Yes, if the connection has sufficient capacity and stability, but the several-hundred-millisecond RTT creates conversational pauses. LEO is normally the more comfortable choice for frequent interactive calls.
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Does low latency mean faster downloads?
No. Latency and throughput are separate. LEO may respond sooner, while the advertised download rate, congestion policy and data allowance determine how quickly a large file arrives.
Can a VPN make satellite latency worse?
It can. Encryption processing and a VPN server in a distant region add work and distance to the end-to-end path. Measure the route you actually use for work rather than relying on a terminal-only result.
Why does weather matter if the satellite is in space?
Rain, snow and other atmospheric conditions can weaken the radio link between the terminal and satellite. Retries, brief interruptions and route changes can raise observed latency even though the orbit has not changed.
Bottom line for an internet decision
Choose LEO when interactive responsiveness is a priority and your address has a clear sky view. Its shorter orbital path makes tens-of-milliseconds RTT realistic, although congestion, routing and remote geography can push results higher. GEO remains a workable option for coverage, browsing and buffered streaming where a half-second-or-more round trip is acceptable. Compare measured RTT at your location, stability at busy times, plan priority, data policy and installation conditions—not orbit altitude alone.
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