Dubai accounted for 5 out of the 10 most international airlines, the most crowded with travelers over the course of 2021, according to data from the British “OAG” company, the provider of data related to global air travel. “King Khalid International Airport” in Riyadh, in second place, transported 3.1 million passengers over the past year.
The air line from “Dubai Airport” to “Heathrow Airport” in London came in fourth place, carrying about 2.6 million passengers.