Owais Crawford
Heathrow Airport is one of the world's busiest airports. In 2024, it was the busiest airport in Europe and the fourth busiest airport in the world by passenger traffic. Heathrow is the primary hub for British Airways and Virgin Atlantic and is used by over 89 airlines flying to 214 destinations in 84 countries. The airport has four passenger terminals and one cargo terminal. Heathrow's connectivity is boosted by its location, lying 14 miles west of Central London.
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Heathrow is the fourth busiest airport in the world by passenger traffic
Heathrow Airport, located 14 miles west of Central London, is the fourth busiest airport in the world by passenger traffic. Heathrow is the primary hub for British Airways and Virgin Atlantic, with over 89 airlines flying to 214 destinations in 84 countries. The airport has four passenger terminals and one cargo terminal.
Heathrow's busiest year on record was 2019, when 80.9 million passengers travelled through the airport. Heathrow is the UK's largest port by value, with a network of over 218 destinations worldwide. The airport is also the largest single-site employer in the UK, with over 90,000 employees.
In 2024, Heathrow was the busiest airport in Europe and the second busiest in the world by international passenger traffic. Heathrow's passenger numbers dropped sharply in 2020 due to the COVID-19 pandemic, but it has since recovered and continues to be one of the world's busiest airports.
Heathrow's high passenger traffic can be attributed to its role as a major global travel hub, with a high number of international connections. The airport operates at 99% capacity, with around 475,000 total aircraft movements annually. Heathrow's two runways handle a significant volume of air traffic, contributing to its position as one of the world's busiest airports by passenger traffic.
While Heathrow is currently the fourth busiest airport in the world, it faces competition from other airports with higher capacities, such as Dubai International Airport and Hartsfield-Jackson Atlanta International Airport, which consistently rank among the top busiest airports globally. Heathrow's proposal for a third runway aims to boost its capacity and maintain its position as one of the world's busiest and most internationally connected airports.
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It is the busiest airport in Europe by the number of seats available
Heathrow Airport, located 14 miles west of Central London, is the busiest airport in Europe by the number of seats available. Heathrow is the primary hub for British Airways and Virgin Atlantic, with 89 airlines flying to 214 destinations in 84 countries. The airport has four passenger terminals and one cargo terminal.
Heathrow's seat capacity in May 2025 was 4.5 million, a 1% increase compared to the previous year. This puts it ahead of Istanbul Airport, which is the second busiest airport in Europe with 4.3 million seats, and Paris Charles de Gaulle Airport, which is third with 3.7 million seats. Heathrow's high number of seats available is a result of its large capacity and high demand, with the airport operating at 99% capacity.
Heathrow is also one of the world's busiest and most internationally connected airports. In 2024, it was the fourth busiest airport in the world by passenger traffic, with 51.55 million seats available. Heathrow's busiest year on record was 2019, when 80.9 million passengers travelled through the airport.
The airport's connectivity is further demonstrated by its ranking as the best-connected airport globally in 2019, according to the OAG's Megahubs Index. Heathrow's dominant carrier, British Airways, held a 51% share of flights at the hub in 2019.
Heathrow's history as an airfield dates back to 1930, and it was expanded and developed into a larger airport after World War II. The airport continues to expand, with plans for a third runway submitted in 2025.
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Heathrow is the best-connected airport in the world
Heathrow Airport is one of the world's busiest, most internationally connected airports. In 2024, Heathrow was the busiest airport in Europe, the fourth busiest airport in the world by passenger traffic, and the second busiest airport in the world by international passenger traffic. Heathrow was founded as a small airfield in 1930 but was developed into a much larger airport after World War II. It is located 14 miles (23 km) west of Central London.
Heathrow Airport is used by over 89 airlines flying to 214 destinations in 84 countries. The airport is the primary hub of British Airways and is a base for Virgin Atlantic. It has four passenger terminals (numbered 2 to 5) and a cargo terminal. Heathrow is the UK's largest port by value, with a network of over 218 destinations worldwide. The busiest single destination in passenger numbers is New York, with over three million passengers flying between Heathrow and JFK Airport in 2021.
Heathrow is operating at 99% capacity and risks being overtaken by European rivals. Its two runways compare with four each at Paris' Charles de Gaulle and Frankfurt Airport, and six at Amsterdam's Schiphol. Heathrow is also the busiest of Europe's airports, by number of seats available. In May 2025, Heathrow's seat capacity stood at 4.5 million seats, a 1% increase compared to the previous year.
London Heathrow Airport was noted as the best-connected airport globally in 2019 according to the OAG's Megahubs Index with a connectivity score of 317. Heathrow has also been recognised as the world's busiest city airport system by passenger count.
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It is the primary hub for British Airways and Virgin Atlantic
Heathrow Airport is the primary hub for British Airways and Virgin Atlantic. It is one of the world's busiest, most internationally connected airports. Heathrow is used by over 89 airlines flying to 214 destinations in 84 countries. In 2021, Heathrow served 19.4 million passengers, 17 million of whom were international and 2.4 million domestic.
Heathrow Airport was founded as a small airfield in 1930 but was expanded into a much larger airport after World War II. The airport has been gradually expanded over 75 years and now has two parallel east-west runways, four operational passenger terminals, and one cargo terminal. The airport is owned and operated by Heathrow Airport Holdings.
Heathrow is the dominant carrier for British Airways, which was recorded as holding a 51% share of flights at the hub in 2015. British Airways and Virgin Atlantic, along with Lufthansa, have made Heathrow their base.
Heathrow is operating at 99% capacity and risks being overtaken by European rivals. The airport will submit its proposal for a third runway this summer, weeks after the British government granted its support, citing its potential to boost trade and economic growth.
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Heathrow is operating at 99% capacity
Heathrow Airport is operating at 99% capacity. This means that Heathrow is at risk of being overtaken by its European rivals. The airport has two runways, compared to four each at Paris' Charles de Gaulle and Frankfurt Airport, and six at Amsterdam's Schiphol.
Heathrow is one of the world's busiest and most internationally connected airports. It is the fourth busiest airport in the world by passenger traffic. In 2021, Heathrow served 19.4 million passengers, of which 17 million were international and 2.4 million were domestic. The busiest year on record was 2019, when 80.9 million passengers travelled through the airport. Heathrow is the primary hub for British Airways and Virgin Atlantic.
In May 2025, Heathrow was the second busiest airport in the world, with 4.3 million seats. Heathrow is Europe's busiest airport, a position it also held in May 2024 and May 2019. The airport's seat capacity for May 2025 stood at 4.5 million seats, a 1% increase compared to the previous year.
Heathrow is the UK's largest port by value, with a network of over 218 destinations worldwide. The airport is used by over 89 airlines flying to 214 destinations in 84 countries.
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Frequently asked questions
Heathrow is one of the world's busiest airports because it is well-connected to London, has a high number of international connections, and is the primary hub for airlines such as British Airways and Virgin Atlantic.
Heathrow currently has two parallel east-west runways. However, the airport has proposed the addition of a third runway to boost trade and economic growth.
Heathrow Airport currently has four operational passenger terminals (Terminals 2-5) and one cargo terminal. Terminal 1 was closed in June 2015.
Heathrow Airport serves 214 destinations in 84 countries.
Heathrow is one of the busiest airports in the world by passenger traffic. In 2024, the airport served 51.55 million passengers, a significant increase from 2021 when it served 19.4 million passengers.
