Los Angeles International Airport (ORD), US: 73.9 million The first of five US airports on the list, Chicago O’Hare International (ORD) has dropped slightly within the top ten after losing a significant amount of traffic during the Covid-19 pandemic, dropping to just 22.3m passengers in 2020. While the airport’s traffic dropped more than 50% in 2020, it has also only seen a small rise in traffic between 2022 and 2023, with 73,894,226 people passing through its terminals