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Why Rebuild SLC?

Replace obsolete facilities

Salt Lake City International Airport (SLC) served more than 26 million passengers a year in facilities constructed 60 years ago to handle half as many travelers. SLC is now a hub airport with many flights arriving and departing around the same time. Security needs are vastly different from when the airport was originally constructed and buildings no longer meet earthquake safety standards.

In short, though the former facilities served the airport well, it’s time to make way for the next generation of airport design.

Aerial View Next Phase 1 cropped

Provide flexible, right-sized design for the future

Salt Lake City Department of Airports has spent years assessing the best approach to a flexible design that meets operational needs, user convenience and sustainability. The new airport will be designed to meet Salt Lake City’s needs for decades to come and be adaptable to the constantly changing aviation industry.

Easy to use

The new terminal and concourses have state-of-the-art functionality and ease-of-use. For example, most up and down movements via escalators and elevators have been eliminated, making facilities easier and quicker to navigate.

More efficient

The new terminal and concourses eliminated airplane-parking bottlenecks and allow aircraft to get back in the air more quickly, which means fewer delays for passengers. A single terminal eliminates redundant facilities for passenger check-in, security screening and baggage claim.


The terminal and concourses are designed to meet high environmental standards and aims to meet LEED Gold rating from the U.S. Green Building Council.

Phased implementation

The phased development of The New SLC Redevelopment Program provides the airport with the flexibility to react to changing economic conditions and travel patterns. The first phase, which opened in September 2020, included a new parking garage, a central terminal, and Concourse A-west, followed by the opening of the west end of Concourse B in October 2020. Phase 2 of the project included building out the east portion of the Concourse A and tearing down the existing airport. Phase 2 was completed in October 2023. (The initial five gates opened in May, followed by four gates in August, and the remaining 13 gates in October.)

Construction of The New SLC-Phase 3 is underway and scheduled to open on October 22, 2024. Phase 3 includes The Central Tunnel—connecting A and B Concourses—along with a unique art installation called The River Tunnel, by Artist Gordon Huether. Phase 3 also includes the entry point to Concourse B, which is a mini plaza that features The Canyon 2.0, the iconic World Map and a large-scale art installation by Gordon Huether titled, Northern Light.  Five gates in Concourse B-east will initially open in October 2024 followed by an additional five gates in October 2025. Phase 4 encompasses a total of 16 gates, which will be full operations by October 2026.


Maintain competitive cost

SLC is one of the nation’s most cost-effective airports for airline operations. Having replaced aging facilities will help keep costs low. No local tax dollars are being spent on the project, which will be paid for using a combination of airline and passenger user fees. When the airport began construction, it had no debt and was able to use savings to get the project underway. The airport received favorable borrowing terms for the rest of funds needed because of its excellent credit history.

Maintain partnership with airlines

SLC has a great partnership with the airlines that serve Salt Lake City. Delta Air Lines, the airport’s largest user, is very supportive of the Airport Redevelopment Program, as are other airlines.