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Major Construction Starts on SEA's S Concourse Rebuild
ESTIMATED50% CONFIDENCEin 1.3 yearsThe Port of Seattle says the work has "major construction scheduled to start in 2027", a year rather than a day, so it sits at the end of that year.[1]The Port of Seattle's S Concourse Evolution project adds 150,000 square feet to the 1973 satellite concourse that handles most of SEA's international flights, including a new upper concourse level and dual-level boarding at selected gates, reusing customs space freed when the International Arrivals Facility opened in 2022. All phases are estimated to finish by 2034.$2.5B0.72JFK's New Terminal One Phase 1 Slips to Late 2026
DELAYED5 months late65% CONFIDENCEin 68 daysGiven as scheduled, per the source[1]: "This opening date has been pushed back to November 2026 at the earliest".The first phase of JFK's $9.5BN New Terminal One, originally due in June 2026, will not open before November 2026 at the earliest.$9.5B0.71Hartsfield-Jackson's Widened Concourse D Is Due to Be Finished
Concourse D, Hartsfield-Jackson Atlanta International Airport, Atlanta, GA 30320Hartsfield-Jackson Atlanta International Airport
ESTIMATED50% CONFIDENCEin 2.8 yearsThe airport's phase-two announcement has "19 modules planned in total by the project's completion in the summer of 2029" - a season, not a fixed day.[1]Atlanta is rebuilding Concourse D in place, floating 19 prefabricated steel modules into position overnight to make the 1980s concourse about 60 percent wider and able to take larger aircraft while it keeps operating. Phase two began in January 2025 with the sixth module.0.71O'Hare's Satellite Concourse 1 Is Finished
Satellite Concourse 1, O'Hare International Airport, Chicago, IllinoisChicago Department of Aviation
DELAYED3 years late40% CONFIDENCEin 2.0 yearsSatellite Concourse 1 "began vertical construction in April 2026 with a targeted completion date of late 2028" - a season rather than a day, and one that has already moved.[1]The first of two satellite concourses west of O'Hare's terminal core, designed by Skidmore, Owings & Merrill with Norviska and designated Concourse D, is reached by an underground tunnel from the terminals. Vertical construction started in April 2026; the $1.45 billion concourse is the first piece of the O'Hare 21 rebuild to be delivered, a programme approved in 2018 at $8.5 billion and now put at roughly $12 billion in current dollars.$1.4B0.68Houston's Rebuilt Terminal B North Concourse Opens
Terminal B, George Bush Intercontinental Airport, 2800 N Terminal Rd, Houston, TexasHouston Airport System
ESTIMATED50% CONFIDENCE1 day agoHouston Airports says the B North concourses are "expected to be fully finished and operational by fall 2026", a season rather than a day.[1]The new North Concourse at George Bush Intercontinental replaces the 1969-era flight stations with about 765,000 square feet on three levels, 22 gates for United and a 54,000-square-foot United Club, the largest in the airline's network. It is the centrepiece of the $2.5 billion Terminal B Transformation, which closed the old Terminal B lobby in January 2025.0.67Portland International Airport Opens New Main Terminal
Portland International Airport, 7000 NE Airport Way, Portland, OR 97218, United States
DELAYED4 months late44% CONFIDENCE2.1 years agoHappened as dated, per the source[1]: "The opening was delayed from the originally scheduled spring opening by four months due to workplace safety issues in April."After a four-year, $2 billion rebuild, Portland International Airport opened its overhauled main terminal, built around a nine-acre mass-timber roof sourced entirely from within 300 miles of the airport.$2.000.67Phoenix Sky Harbor Starts Building Its Third Terminal
ESTIMATED50% CONFIDENCEin 2.3 yearsThe airport's own schedule lists "Construction 2029 - 2033" with no start date, so the pin uses the start of 2029.[1]Sky Harbor's West Terminal, the airport's first new terminal since Terminal 4 opened in 1990, is scheduled to go into construction in 2029 and open in 2033, with the number of concourses and gates still to be decided. The airport puts the likely cost at around $4.5 billion, paid for with passenger facility charges, bonds and airport funding rather than tax dollars.0.66Austin-Bergstrom Opens Concourse B and Its Passenger Tunnel
Concourse B site, Austin-Bergstrom International Airport, 3600 Presidential Boulevard, Austin, TX 78719, United States
Austin-Bergstrom International Airport
DELAYED3 years late40% CONFIDENCEin 3.3 yearsThe airport's own programme page says Concourse B and its tunnel are "estimated to open in the early 2030s", a span rather than a date.[1]The airport's second concourse is a standalone midfield building south of the Barbara Jordan Terminal, reached by an underground walkway with moving walkways, and carries a new integrated baggage system. It is meant to open alongside the $865 million Arrivals and Departures Hall under the Journey With AUS programme.$1.1B0.66Frankfurt Airport Terminal 3 Opens
CONFIRMED91% CONFIDENCE153 days agoHappened as dated, per the source[1]: "the first travellers to arrive at Frankfurt's brand-new... Terminal 3", on April 23, 2026.Frankfurt Airport's new Terminal 3 opened after more than a decade of construction, giving Germany's biggest airport its first major expansion since the troubled Berlin Brandenburg saga.0.65Munich Airport Opens as Franz Josef Strauss International Airport
CONFIRMED83% CONFIDENCE34.4 years agoMunich Airport's own history page and Wikipedia[3] both give 17 May 1992 as its opening date at the current site.Munich Airport opened at its current site on 17 May 1992, replacing Munich-Riem, and is one of only two European airports to hold Skytrax's 5-Star rating.0.65Harry Reid Airport Opens a Customs Building for Private Jets
CONFIRMED90% CONFIDENCE5 days agoThe airport's newsroom item of 18 September 2026 says the partners "celebrated the grand opening of a new facility dedicated to the airport's general aviation and private jet operations."[1]Harry Reid International, Signature Aviation and U.S. Customs and Border Protection opened a dedicated general aviation and cargo clearance building on the west side of the airfield. It takes international private-jet arrivals out of the passenger terminals, which the airport says cuts congestion as Las Vegas draws more international traffic for its sporting events.0.65JR East's Haneda Airport Access Line Opens to Tokyo Station
DELAYED2 years late40% CONFIDENCEin 4.5 yearsWikipedia[1] states that "as of July 2024, JR East plans to open the new line in fiscal year 2031"; no month is given, so the pin sits on 1 April 2031, the first day of that Japanese fiscal year.The new line runs from a station between Haneda's Terminals 1 and 2 through an underwater tunnel to the Tokaido Main Line near Tamachi, tying the airport directly into Tokyo Station and Shin-Kiba. Construction began on 2 June 2023 and the East Yamanote route is costed at about 280 billion yen.¥280B0.64
Munich Airport
East Japan Railway Company