Heathrow Tests Autonomous Chairs in Terminal 3: What This Changes for Passengers with Reduced Mobility

London Heathrow has taken a new step in the development of accessible travel: an autonomous mobility service by WHILL has begun testing in Terminal 3 in partnership with ABM, the operator of assistance for passengers with special needs. For travelers, this is not just a technological novelty, but a signal that major hubs are seeking ways to reduce wait times, decrease dependence on manual escorting, and give passengers more independence while moving through the terminal.

This news is particularly important now, at the start of the busy summer season of 2026, when airports are once again operating under high load and the demand for assistance services is growing faster than the overall passenger traffic. Heathrow is one of Europe's largest international aviation hubs: hundreds of thousands of passengers pass through it daily, and transfers, long corridors, multi-level departure zones, and security procedures can be especially challenging for people with reduced mobility, elderly travelers, passengers recovering from injuries, or those who cannot walk long distances.

According to a report from WHILL dated June 3, 2026, the service in Terminal 3 operates as a trial of autonomous mobile devices: a passenger selects a destination on a touch screen, the device moves independently through the terminal using sensors and navigation systems, and after the trip is completed, it returns to its base point. The company also states that its autonomous solutions are already used in 26 airports and public facilities worldwide, and the total number of autonomous trips has exceeded 1 million.

What Exactly Was Launched at Heathrow

This is not about a full replacement of the assistance service, but about a new tool within a broader system of help. In Terminal 3, autonomous chairs are intended to help passengers with mobility support needs navigate part of their route through the terminal more independently. These devices are equipped with omnidirectional sensors, an automatic obstacle detection system, and a stop function, which is crucial in a real airport environment where passengers, suitcases, carts, staff, and service equipment are constantly moving nearby.

The practical idea is simple: if a passenger can choose their destination and safely reach the required zone on their own, assistance staff can focus on the stages where human escorting is truly critical. This could be check-in, passing through security, boarding, assistance with luggage, escorting people with complex needs, or situations where a passenger needs not only mobility but also communication or medical support.

The launch partner is ABM. In February 2026, the company announced that Heathrow had chosen it to provide accessible travel services across all terminals. According to ABM, the service covers Terminals 2, 3, 4, and 5, involving a team of over 1,600 employees and supporting more than 1 million passengers with accessibility needs per year. Therefore, the current test in Terminal 3 should be viewed not as a separate gadget, but as part of a larger restructuring of passenger assistance in the busiest British hub.

Why This Is Important for Passengers

For a passenger with reduced mobility, the key question at the airport often isn't "whether there is help," but "will it be on time, predictable, and without unnecessary stress." In large hubs, the route from the entrance to the boarding gate can include check-in, baggage drop-off, elevators, corridors, security checks, shops, lounges, gate changes, and waiting in the boarding area. Even if each individual stage is organized correctly, a delay at one of them can disrupt the entire travel schedule.

Autonomous mobility potentially helps exactly where a passenger needs to cover a distance but does not necessarily need a staff member by their side every second. For some travelers, this is a matter of dignity and independence: a person does not feel completely dependent on when a staff member becomes free or when a standard wheelchair is returned. For the airport, this is a matter of operational resilience: the device returns on its own after the trip, and the assistance team spends less time on the manual logistics of equipment.

This is especially relevant for Heathrow Terminal 3, where many international airlines operate and where passengers often have long-haul flights or transfers. If you are planning a flight or transfer through LHR, it is useful to check the London Heathrow Airport (LHR) page in advance, and on the day of travel, monitor changes via the Heathrow online board. For passengers who prefer a slower pace, a night arrival or an early morning departure, it may also be appropriate to look at hotels near Heathrow and transfer and taxi options from LHR in advance.

Regulatory Context: Accessibility Is No Longer a Secondary Service

The launch of the autonomous service coincides with broader pressure on British airports regarding the quality of passenger assistance. The UK Civil Aviation Authority, in its latest accessibility report, noted that in 2024, 5.5 million passengers requested assistance at British airports. This is approximately 1.9% of the total passenger traffic. For comparison: in 2010, the share was 0.94%, in 2019 it was 1.35%, and in 2023 it was 1.69%.

This means the demand for assistance is growing not by chance and not temporarily. More elderly people are traveling, more passengers with invisible health conditions, more people after surgeries or injuries, and more families planning complex long-distance routes. At the same time, airports must ensure an equally clear and reliable journey for people with very different needs. This is no longer an "add-on" service, but part of the basic quality of the airport.

In the same regulatory context, Heathrow received a category requiring improvement, particularly due to issues with the verification of data regarding waiting standards in Terminal 3, although the service level in Terminals 2, 4, and 5 was generally rated better. This is why the trial in Terminal 3 carries additional weight: the technology is being tested where the reliability of assistance is most sensitive for the regulator and passengers.

What Travelers Should Do Before Their Flight

Even if autonomous devices become more common, the basic rules for preparing for an accessible journey do not change. Heathrow advises notifying the airline, tour operator, or agent about the need for assistance as early as possible, preferably at least 48 hours before travel. It is the airline that passes this data to the assistance team at the airport, so it is better not to leave the request until the moment of arrival at the terminal.

Passengers should also describe the nature of their need in advance: whether a wheelchair is needed, whether the person is traveling with their own mobility device, whether there is an assistance animal, or whether support is needed during security checks. If you use your own wheelchair or other equipment, airlines usually require data on the model, dimensions, weight, and battery type. This helps avoid unpleasant surprises during boarding or when checking in equipment as luggage.

In Heathrow itself, passengers with pre-booked assistance should proceed to the special Assistance zones in the terminals. There are also assistance points in parking lots, drop-off zones, bus, train, and metro stations. For people with invisible disabilities, sunflower lanyards are available, which allow them to signal to staff their need for support without unnecessary explanations.

Will Autonomous Chairs Replace Humans?

The most cautious answer is no, at least not in the near future. In accessible travel, technology can remove some of the physical burden, but it cannot fully replace human judgment. A passenger may need help with documents, communication, orientation, luggage, boarding, or communicating with the airline in case of a delay. An autonomous device performs the movement task well, but it does not solve the entire complex of needs.

That is why the most promising model for large hubs is a combination of people and technology. Autonomous chairs can cover repetitive routes, digital tools can better distribute requests, and staff can devote more time to passengers for whom personal support is important. If the test at Heathrow is successful, similar solutions may spread more quickly to other international airports, especially those with long terminals, complex transfers, and high demand for assistance.

What This Means for the Travel Market

Accessibility is increasingly becoming a competitive advantage for airports. For a tourist, the choice of route often depends not only on the ticket price but also on how safely and predictably they can navigate a transfer. For families with elderly relatives, passengers after medical treatment, people with chronic conditions, or travelers who are afraid of large terminals, the quality of assistance can be a deciding factor.

For airlines and tour operators, this is also important. If an airport handles passenger assistance better, fewer people miss their flights, fewer conflicts arise at the gates, and less manual coordination is needed during peak periods. For destinations that rely on older travelers, medical tourism, cruise connections, or long transfers, the accessibility of hubs can affect the entire travel chain.

For now, the test at Heathrow should not be seen as a guarantee of immediate change for every passenger in Terminal 3. This is a trial, and its real effect will depend on the scale, availability of devices, integration with the ABM team, routes within the terminal, and user feedback. But the direction is obvious: airports are moving from reactive assistance to a more predictable, technologically supported model.

Conclusion

The test of autonomous mobile devices in Heathrow Terminal 3 is a small-looking but telling change for air travel. It demonstrates that accessibility is becoming part of the operational strategy of large hubs, rather than just a social obligation. For passengers, the main practical advice remains unchanged: notify about the need for assistance in advance, check the terminal and flight before the trip, plan more time for movement, and do not hesitate to use available services. If such solutions prove effective, the future airport will be not only faster but also calmer for those for whom travel is more challenging.