Of the 3 billion passengers who took a flight last year, more than half flew on one of the big players in the industry.
At the top of the list, American Airlines flew nearly 200 million passengers in 2022. The airline’s most popular route was between Dallas Fort-Worth (DFW) and Los Angeles (LAX), operating more than 30 flights a day.
In fact, Dallas is a “fortress hub” for American, where the airline—along with its regional partners—own more than 70% of the airport’s flights.
https://www.visualcapitalist.com/ranked-largest-airlines-by-passengers/