Los Angeles International Airport’s overhauled Terminal 4 just hit a major milestone, with construction crews on Wednesday setting the final steel beam on the main concourse of the redesigned American Airlines complex. Before the beam went up, project leaders signed it, and a photograph captured Los Angeles World Airports CEO John Ackerman adding his name moments before it was hoisted into place. With the structural frame now complete, crews are shifting their focus to interior finishes and mechanical systems inside the new headhouse.
According to L.A. Business First, the final steel beam caps the main concourse frame and marks the last major structural element for the new headhouse. The outlet reports that work now moves indoors for the fit-out and systems hookups that will bring the new space to life.
Why It Matters
This topping out is part of a much bigger, multi-terminal rebuild aimed at improving connections, easing crowding and dragging one of the country’s busiest airports into the modern era ahead of the 2028 Olympic and Paralympic Games, as LA28 has outlined. The Terminal 4 overhaul is one piece of a multi-billion-dollar modernization push designed to handle more international traffic and tighter flight connections when the world shows up in Los Angeles.
What Travelers Should Expect
For now, travelers are not likely to see sudden gate changes, but the airport’s modernization updates flag phased shifts to drop-off lanes, ticket counters and baggage claim areas as interior work ramps up. According to Los Angeles World Airports, those adjustments are being sequenced to keep the Central Terminal Area operating while construction continues.
American Airlines' Role And The Next Steps
American Airlines will remain the primary operator in Terminals 4 and 5 while the new core is completed. Guidance for agents and travelers from American Airlines confirms that Terminals 4, 5 and Tom Bradley are airside connected to ease passenger flows throughout the construction period. As L.A. Business First notes, crews are now pivoting to interior finishes and mechanical equipment installation, work that will ultimately make new gates, check-in areas and amenities ready for service.
