The world's busiest airports
A Peakle category. Higher = more passengers. Name answers one at a time, each one higher than the last. New to the game? Read how to play.
When it was played
- Puzzle #12, October 20, 2026 · replay in the archive
The numbers
- 50 answers count.
- The longest possible climb is 50 steps, one for every answer.
How it's counted
- Total passengers in 2025, from Airports Council International, as listed on Wikipedia. The 50 busiest.
Source
Wikipedia: List of busiest airports by passenger traffic (2025, Airports Council International), as of October 8, 2026.
Every answer
Alphabetical. Their values stay a secret, so the climb is still worth replaying.
Adolfo Suárez Madrid–Barajas Airport · Amsterdam Airport Schiphol · Beijing Capital International Airport · Beijing Daxing International Airport · Charles de Gaulle Airport · Charlotte Douglas International Airport · Chengdu Tianfu International Airport · Chhatrapati Shivaji Maharaj International Airport · Chongqing Jiangbei International Airport · Dallas Fort Worth International Airport · Denver International Airport · Dubai International Airport · Frankfurt Airport · George Bush Intercontinental Airport · Guangzhou Baiyun International Airport · Hamad International Airport · Hangzhou Xiaoshan International Airport · Harry Reid International Airport · Hartsfield–Jackson Atlanta International Airport · Heathrow Airport · Hong Kong International Airport · Indira Gandhi International Airport · Istanbul Airport · Istanbul Sabiha Gökçen International Airport · John F. Kennedy International Airport · Josep Tarradellas Barcelona–El Prat Airport · King Abdulaziz International Airport · Kuala Lumpur International Airport · Kunming Changshui International Airport · Leonardo da Vinci Rome Fiumicino Airport · Los Angeles International Airport · Miami International Airport · Ninoy Aquino International Airport · O'Hare International Airport · Orlando International Airport · Phoenix Sky Harbor International Airport · San Francisco International Airport · São Paulo/Guarulhos International Airport · Seattle–Tacoma International Airport · Seoul Incheon International Airport · Shanghai Hongqiao International Airport · Shanghai Pudong International Airport · Shenzhen Bao'an International Airport · Singapore Changi Airport · Soekarno–Hatta International Airport · Suvarnabhumi Airport · Taoyuan International Airport · Tokyo Haneda Airport · Toronto Pearson International Airport · Xi'an Xianyang International Airport