A total of about 21.67 million passengers departed and arrived at the Austin-Bergstrom International Airport in 2025, marking the year as the third busiest for the airport.
The details: Passenger traffic marked 2024 as the airport’s second busiest year, following 2023 and 2022’s record-breaking totals.
The busiest airline for the airport was Southwest Airlines, with 8.9 million passengers, similar to 2024. Southwest Airlines officials recently announced plans to expand at ABIA, backed by a $5.5 million economic incentive deal between the airline and the city of Austin.
What else: The airport is currently undergoing a multiyear expansion program designed to upgrade facilities and increase capacity to address the record-breaking passenger traffic in recent years. The expansion program includes several projects, such as a new baggage handling system, facilities and passenger gates, various airfield upgrades, and the construction of new taxiways and a second terminal.
In 2025, officials broke ground on a new parking garage with 7,000 spaces opening in two phases, as well as broke ground on the Atrium Infill project.