A terminal is a big building.
It is at an airport. You go there to get on a plane. You can also leave your bags there. It helps you travel far away.
Have you ever been to an airport?
An airport terminal is a big building.
It is where people get on planes. You also use it to leave a plane.
First, you go to the building to check in. You give your bags to the workers. They help keep your things safe.
Next, you move through security. This helps keep everyone safe. Then, you wait to get on your plane.
Some airports are very large. They have many different buildings. You might use a train to move between them.
Terminals help people travel the world. They are very important for flying.
An airport terminal is a main building at an airport.
It is where people switch from ground travel to planes. People use it to board a flight or leave one.
Terminals do three main jobs. First, they help people move from cars or buses to planes. This is called passenger circulation. Second, they help with check-in. This is when you give your bags to the airline. Workers also check your bags and your safety. Third, they help group people together for their flights.
Large airports often have many buildings. These can be unit terminals. A unit terminal might serve only one airline. It might also handle only international flights. You might use a small train to move between them.
Terminals are split into two zones. The landside zone is where you check in. The airside zone is where the planes are. You must pass through security to reach the airside.
Architects use terminals to show off new styles. Some look like glass boxes. Others are very large and grand. The TWA Flight Center is a famous example.
An airport terminal is a main building used for travel. It is the place where people switch from ground travel to airplanes.
Passengers use these buildings to board a plane or leave one after a flight. In small airports, one building might do everything. Larger airports often have several terminals or concourses. A concourse is a building that gives people access to the airplanes through gates. Some airports use unit terminals to keep things organized. For example, one terminal might handle only international flights. Another might belong to a specific airline.
Terminals work by performing three main jobs. First, they help people move from cars or buses to the planes. This is called passenger circulation. Second, they handle the processing of people and their luggage. This includes checking in for a flight and passing through security checks. Third, they help group passengers together for their specific flights.
When you arrive, the terminal does these things in reverse. It provides a place for passengers to wait after they land. This helps everyone move smoothly through the airport.
Every terminal is divided into two main zones. The landside zone is where you check in for your trip. The airside zone is the area where the planes are located.
To get from the landside to the airside, you must pass through security or customs. This boundary is a very important part of how an airport is built. While landside tasks like check-in stay mostly the same, the airside changes quickly. This is because new technology and new ways of working happen there often. Architects must plan carefully to manage these two different worlds.
Terminals have a long and interesting history. In the early 1900s, airfields did not even have terminals. People built large sheds to protect fragile airships from the weather. The first passenger buildings appeared later at air shows. In the United States, early airports often used a hangar-depot style. This meant staff, passengers, and planes were all in one large building. An example is the Ford Dearborn Airport from 1925. Later, dedicated buildings like the Art Deco terminal at Chicago's Midway Airport appeared in 1931.
Architects use terminals to show off beautiful and new styles. Some terminals look like simple glass boxes. Others are huge and grand, like the Denver International Airport. Some even reflect the local culture of their area. The Albuquerque International Sunport uses the Pueblo Revival style.
The TWA Flight Center is another famous architectural masterpiece. Many modern airports now use clever designs to stay organized. For instance, London Stansted Airport puts baggage systems in the basement. This creates a large, open space for people to move through easily.
An airport terminal is the central building where passengers transition between ground transportation and aircraft. It serves as a vital hub for moving people from cars, buses, or trains to the facilities required for flight. While the term "terminal" is common, the buildings providing direct access to planes via gates are often called concourses.
The relationship between these terms depends on the specific airport layout. Smaller airports often use a single terminal to handle all functions. In contrast, larger airports may feature multiple terminals or several independent concourses. Some airports utilize unit terminals to separate different types of travel, such as international and domestic flights.
Terminals operate through three primary mechanical and social functions. First, they manage passenger circulation, which helps people move along prescribed routes from land to air. Second, they facilitate the processing of passengers and luggage. This includes ticketing, check-in, security screenings, and the sorting of bags. Third, terminals manage the grouping and ungrouping of passengers. Because travelers do not arrive in pre-sorted batches, the terminal must organize them into groups for boarding. Upon arrival, the terminal performs these steps in reverse to manage arriving travelers.
Architecturally, every terminal is divided into two distinct zones: landside and airside. The landside zone contains functions like check-in and ticketing, which remain relatively stable over time. The airside zone is where the aircraft are located and is subject to rapid technological changes.
The boundary between these zones is a defining element of terminal design. To move from the landside to the airside, passengers must typically pass through security or customs and border control. This boundary is often described by experts as a "socio-technical construct" that shapes how architects plan these massive structures.
The history of terminals began with early 20th-century airfields that lacked passenger facilities entirely. Early structures were often large sheds built to protect fragile airships from the elements. Some early designs, like Erich Mendelsohn’s 1914 sketch, focused on housing dirigibles rather than people. Predecessors to modern terminals emerged from Edwardian-era air shows, using L-shaped buildings with grandstands for spectators. In the United States, the "hangar-depot" style was common, where staff, passengers, and planes shared one large building. An example of this was the Ford Dearborn Airport, built between 1925 and 1926.
As aviation grew, dedicated passenger buildings became more sophisticated. In Europe, the Königsberg Devau station in 1922 was one of the first to resemble modern designs. The Tempelhof airport in Germany became a seminal model with its 1926 modernist terminal. In the U.S., Chicago's Midway Airport introduced an Art Deco terminal in 1931. LaGuardia Airport, opened in 1939, introduced several modern features. These included a two-level layout to separate arriving and departing passengers and "dispatcher booths" that acted as early versions of gates.
Architects use terminals to express creativity and national identity. Historically, U.S. airports used styles like Art Deco, Neocolonial, and Adobe. For example, the Albuquerque International Sunport uses the Pueblo Revival style to reflect local culture. In Europe, architects explored various forms of Modernism, including Brick Expressionism and Scandinavian functionalism. While many terminals from the 1960s were simple concrete boxes, the 1990s saw a shift toward glass structures. Some airports are designed as monumental structures, such as Denver International Airport. Others are considered masterpieces, like the TWA Flight Center or the terminal at Charles de Gaulle Airport.
Technological innovations have also transformed how terminals function. In the 1930s, experiments began with movable covered ways, which were the precursors to modern jet bridges. The 1936 terminal at London South Airport featured telescopic tubes for passengers. Modern designs have also focused on efficiency and space. In 1991, London Stansted Airport moved its baggage handling system to the basement. This allowed for a vast, unobstructed interior space. Today, many large airports use extensive networks of automatic people movers to connect different terminals and concourses.
Where will your curiosity go next?
🖼️ Images & Media (6)
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
🪜 Step back
Simpler topics to build understanding
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.