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Construction Impacts

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Updated June 2, 2025

Know before you go. Stay up to date on airport construction and how it might impact your journey. 

Current construction impacts

PROJECT IMPACTED AREA IMPACT DESCRIPTION
Checkpoint 1 Relocation  NEW Checkpoint 1, Baggage Claim Level June 6, 2025 - A brand-new Checkpoint 1 on the far south end on Baggage Claim Level (General Screening)
Checkpoint Renumbering All security checkpoints APRIL 17, 2025 - All checkpoints were renumbered 1-6 to make way for the brand-new Checkpoint 1 on the Baggage Claim Level
SEA Gateway Checkpoint 6 TSA Security Checkpoint 6 (formerly Checkpoint 5) is closed until later in 2025

*all dates and times are subject to change

 

Resources

  • Check Upgrade SEA to learn more about current and future airport improvements
  • Get step-by-step directions throughout the airport and see available routes, detours and more on our interactive map

 

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