Archive · 25 Sep 2025
London Heathrow Tops 2025 Airport Connectivity Rankings
Airports are like big hubs that connect cities.
A new report looked at which airports have the most connections, like how many different places you can fly to from there.
London Heathrow is the most connected, offering over 59,000 ways to get to 226 places.
Istanbul Airport jumped to the second spot.
The United States, like Atlanta, made gains.
Globally, passenger traffic is predicted to reach 17.7 billion from 2024 to 2043.
London Heathrow (LHR) is the most connected airport in 2025.
Istanbul Airport (IST) moved up to second place.
Frankfurt (FRA) and Kuala Lumpur International Airport (KUL) tie at fourth place.
Atlanta Hartsfield-Jackson (ATL) re-entered the top 10.
Global passenger traffic is expected to reach 17.7 billion between 2024 and 2043.
- Who
- Airports worldwide
- What
- Connectivity rankings for 2025
- When
- 2025
- Where
- Globally
- Why
- Based on the highest ratio of scheduled international connections to destinations served
- Top Airport
- London Heathrow (LHR)
- Connections at LHR
- 59,000+
- Destinations Served at LHR
- 226
- Second Ranked Airport
- Istanbul Airport (IST)
- Global Passenger Traffic Forecast
- 17.7 billion (2024-2043)