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Astronauts travel to the International Space Station (ISS) inside a crew spacecraft launched by a rocket. Once in orbit, the spacecraft adjusts its path to meet the station, completes a controlled docking, and opens a hatch so the crew can come aboard. Later, the astronauts return in a crew spacecraft, but the trip time and landing method depend on the vehicle and mission.
Which spacecraft carry astronauts to the ISS?
As of NASA’s visiting-vehicle status on October 9, 2026, the two crew transportation systems represented at the ISS are SpaceX Crew Dragon and Soyuz. Dragon launches on a Falcon 9 rocket from Florida; Soyuz launches from Baikonur in Kazakhstan. These are crew vehicles: cargo spacecraft also visit the station, but they do not carry astronauts as crew taxis.
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The distinction matters because the ISS supports both human and cargo traffic. Progress, Cygnus, and cargo Dragon are among the cargo vehicles mentioned in NASA’s station and vehicle records. Cargo craft can use different arrival procedures: some dock, while other cargo vehicles can be captured by the station’s robotic system and berthed. Those cargo operations should not be mistaken for the process by which astronauts arrive.
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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →In docking, a visiting spacecraft makes a controlled connection to a station port. In a robotic capture and berthing operation, the station’s robotic system takes hold of a cargo vehicle and moves it to a berthing location. Both bring supplies or equipment to the ISS, but only a crew spacecraft carries astronauts as passengers. A report that says a cargo craft was “captured” therefore does not describe how a crew arrives.
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NASA’s station overview, accessed in 2026, says the ISS has been visited by more than 290 people representing 26 countries and five International Partners. It also records four different crew ships and five different resupply ships as having visited. Those totals describe the station’s history, not the number of vehicles currently serving it. The operational picture changes over time, so the date matters when describing which crew systems are represented.
What happens from launch to the station?
1. The rocket puts the spacecraft into orbit
A rocket carries the crew spacecraft away from Earth and accelerates it to orbital speed. After the spacecraft separates from the launch vehicle, its own systems are responsible for adjusting its orbit and approaching the station. Launch is therefore the beginning of the journey, not the moment the spacecraft has reached its destination.
The ISS itself is moving around Earth; NASA’s station overview says it circles Earth 16 times a day. A spacecraft cannot simply point toward the station and fly in a straight line to it. The vehicle must navigate in orbit relative to a target that is also moving. The overall approach is called a rendezvous: the spacecraft adjusts its path so it can arrive in the station’s vicinity at the right relative position and motion.
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During rendezvous, the crew vehicle and the station are both in orbit, and the vehicle makes controlled maneuvers to approach. This is orbital navigation, not a direct rocket dash from the launch pad to the station. The length and sequence of the journey vary by mission; a particular flight profile should not be treated as a schedule for every crew launch.
NASA’s accounts of both Crew Dragon and Soyuz describe automatic spacecraft maneuvers and docking, with teams on the ground monitoring operations. Automation does not mean that no one is watching the flight: flight controllers monitor the spacecraft and station, while the vehicle carries out planned maneuvers. Crew-12’s 2026 flight offers a concrete example of those separate roles. SpaceX monitored Dragon’s automatic spacecraft maneuvers from Hawthorne, while NASA monitored station operations from Houston.
The Crew-12 account also illustrates that launch and arrival are separate milestones. A Falcon 9 launched four international crewmembers from Cape Canaveral in February 2026. Dragon then continued the journey in orbit, with an autonomous docking planned at Harmony. The launch location, spacecraft, destination port, and subsequent hatch opening are all pieces of the same trip, but they happen at different stages.
3. Docking connects the spacecraft to the ISS
Docking is the final controlled contact and connection between the approaching spacecraft and a station port. The docking port used depends on the spacecraft and the station’s configuration. In NASA’s February 2026 Crew-12 account, Dragon was to dock autonomously at the space-facing port of Harmony. In NASA’s July 2026 Soyuz MS-29 account, Soyuz docked at Prichal.
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That order is useful when following a live mission update. A docking announcement means the spacecraft has connected to the station; it does not necessarily mean the crew has already entered. The hatch-opening announcement marks the later step when the passage between the two pressurized vehicles is opened and crew members can join the station.
How long does the trip take?
There is no single travel time that applies to every ISS crew mission. The spacecraft, launch date, and chosen flight profile matter. A useful recent example is Soyuz MS-29: NASA reported that the spacecraft made a two-orbit trip of about three hours from launch to arrival at the station in July 2026. That is the profile for that mission, not a general promise for Soyuz flights or a time that can be assigned to Dragon.
NASA’s February 2026 Crew-12 report describes the launch, planned autonomous docking, and work after arrival, but the mission-specific clock times should not be recast as a universal Dragon travel time. A reliable answer to “How long does it take?” therefore needs a named mission and its published timeline. If an account says a crew reached the station in a few hours, check which flight it is describing before applying that figure elsewhere.
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Trip time is also different from time spent aboard the ISS. NASA described the Soyuz MS-29 crew’s planned station stay as approximately eight months. That figure concerns the planned expedition duration, not the time Soyuz took to get to the station.
When comparing published durations, check which endpoints the report uses. Launch, arrival in the station’s vicinity, docking, and hatch opening are distinct milestones. A source may report one of those times rather than the complete span from launch to crew entry. The safest comparison is between reports that name the same milestones and identify the specific mission.
How do Dragon and Soyuz routes differ?
The main differences visible in the cited NASA examples are launch site and rocket, crew spacecraft, docking port, mission-specific flight profile, and return pattern. The table keeps the examples tied to their missions rather than implying that every flight follows the same schedule.
| Route | Launch site and launcher | Arrival example | Return pattern documented by NASA |
|---|---|---|---|
| Crew Dragon | Florida; Falcon 9 | NASA’s February 2026 Crew-12 account describes a planned autonomous docking at Harmony. A general travel time for Dragon is not stated in that account. | NASA’s historical Crew-8 overview describes a water landing off Florida. |
| Soyuz | Baikonur, Kazakhstan; Soyuz rocket | NASA reported that Soyuz MS-29 made a two-orbit trip of about three hours in July 2026 and docked automatically at Prichal. | NASA’s Soyuz mission history illustrates a parachute-assisted land landing in Kazakhstan. |
The table is not a speed or safety ranking. These records describe different missions and do not establish an apples-to-apples comparison of travel time, risk, or cost. In particular, the three-hour Soyuz MS-29 profile cannot be used to claim that Soyuz is always faster than Dragon, and the two return examples do not establish a universal landing method for every mission.
There is no supported cost comparison in these mission examples, either. Launch site and vehicle are useful route facts, but they do not by themselves reveal what a seat costs or establish which system is less expensive. Any price or safety comparison would need comparable, clearly defined figures; the mission accounts cited here are about operations and specific flights.
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What happens after the astronauts arrive?
Once the hatches are open, the arriving crew enters the station and joins its expedition. The transition follows the docking and hatch-opening work, rather than happening at the instant of contact. The Crew-12 example also shows that arrival work can include preparing cargo for offload alongside the steps needed to open the passage between spacecraft and station.
The crew’s stay is a separate part of the mission from its transportation. NASA’s July 2026 account described Soyuz MS-29’s crew as planned to remain aboard for approximately eight months. That duration is specific to the plan NASA reported for that crew; it should not be assumed for all visitors or expeditions.
A crew spacecraft is thus both the ride to the station and part of the transportation plan for the return. The crew does not take a cargo vehicle home simply because cargo craft also visit the ISS. NASA’s visiting-vehicle records identify Dragon and Soyuz as the crew systems represented in the October 9, 2026 status; cargo vehicles have separate roles and arrival procedures.
How do astronauts return to Earth?
A crew returns in a crew spacecraft after undocking from the station, departing orbit, and re-entering Earth’s atmosphere. The landing method depends on the spacecraft. NASA’s historical Crew-8 overview describes Dragon returning by water landing off Florida. NASA’s Soyuz mission history shows Soyuz returning by parachute to a land landing in Kazakhstan.
These are vehicle-specific return patterns, not interchangeable descriptions of one standard landing. When reading a report about a crew’s departure, distinguish the station undocking from the later landing: undocking starts the return journey, while the spacecraft still has to leave the station’s orbital environment and complete atmospheric reentry before it reaches the surface.
For the same reason, “return time” needs a mission-specific definition. Undocking is not touchdown, just as launch is not docking. A mission report that tracks the full trip home will describe the departure from the station and the later landing, with the spacecraft’s return mode determining whether it comes down in water or on land.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to check in a mission report
To understand a particular crew’s journey, look for the mission name and date, the launch vehicle and site, the spacecraft, the reported arrival or docking time, the station port, and the return vehicle and landing area. These details answer different questions: a launch time does not by itself tell you when the spacecraft docked, and the time spent aboard the ISS is not travel time.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitches- Identify the vehicle: confirm whether the report is about a crew spacecraft or a cargo vehicle.
- Separate milestones: distinguish launch, orbital rendezvous, docking, hatch opening, undocking, and landing.
- Keep timing mission-specific: an example such as Soyuz MS-29’s roughly three-hour trip applies to that flight profile.
- Check the port and landing mode: Harmony and Prichal are different station ports, while Dragon and Soyuz have different documented return patterns.
NASA’s visiting-vehicle status and mission reports can change as vehicles arrive, depart, and new crews launch. For a current crew or docked-vehicle list, use the status for the date in question rather than assuming that a past mission’s configuration is still current.
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Frequently Asked Questions
How do astronauts get to the International Space Station?
They ride a crew spacecraft launched by a rocket. As of NASA’s October 9, 2026 visiting-vehicle status, the crew systems represented at the ISS are SpaceX Crew Dragon and Soyuz. After reaching orbit, the spacecraft rendezvous with the moving station and docks; the hatch opens after post-docking steps.
How does a spacecraft dock with the ISS?
It adjusts its orbit and approaches the station through a controlled rendezvous, rather than flying in a straight line from the launch pad. Docking is the final controlled contact and connection at a station port. NASA’s examples describe automatic maneuvers monitored by flight teams.
How long does it take to get to the ISS?
It depends on the mission and its flight profile. NASA reported that Soyuz MS-29 took about three hours on a two-orbit trip in July 2026. That example is not a universal travel time for Soyuz or Dragon; check the timeline for the specific flight.
How do astronauts get back to Earth?
They undock in a crew spacecraft, depart the station, and re-enter Earth’s atmosphere. NASA’s historical examples show Dragon returning with a water landing off Florida and Soyuz returning by parachute to a land landing in Kazakhstan.
Do cargo spacecraft carry astronauts to the ISS?
No. Cargo vehicles such as Progress, Cygnus, and cargo Dragon deliver supplies rather than serving as crew taxis. Some cargo vehicles dock, while others can be captured by the station’s robotic system and berthed.
Is Soyuz always faster than Dragon, or does one route cost less?
The cited mission records do not support a universal speed or cost ranking. The roughly three-hour Soyuz MS-29 trip is specific to that July 2026 flight, and the available mission examples do not provide an apples-to-apples price comparison.
The Bottom Line
Astronauts reach the ISS in crew spacecraft, not cargo ships. Rockets put Dragon or Soyuz into orbit; each vehicle then rendezvous with the moving station and docks before the crew enters. Travel time, docking port, and return landing depend on the mission and spacecraft, so compare named flight timelines rather than treating one example as universal.
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