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N787BA lifted off from Paine Field at 10:27 am PST and landed three hours later at Boeing Field, reaching 180 knots and 13,200 feet. The first airliner with a primarily composite airframe flew more than two years later than Boeing first promised.

The world's largest observation wheel, Ain Dubai, finally reopened to the public more than three years after its October 2021 debut, following a shutdown for unspecified 'enhancement works' that dragged on far past its original timeline.

Hershey's first new factory in its hometown in more than 30 years, a 250,000-square-foot plant that makes the chocolate for Reese's, Kit Kat, Symphony and Special Dark, opened with Governor Josh Shapiro. It is Hershey's first fully integrated digital plant and brings more than 125 jobs.

The Middle East's largest liquids-rich shale gas play came on stream with a first phase of about 450 million cubic feet a day, the start of a ramp to 2 billion cubic feet a day of sales gas by 2030.

The light rail line runs almost 11 kilometres from Finch West station on Line 1 at Keele Street west to Humber College Station, with 18 stops along the way. The TTC runs it day to day, with trains every six and a half minutes at rush hour.

The first Six Flags park in Asia opened outside Riyadh with 28 attractions across six themed areas, among them Falcons Flight, billed as the world's tallest, fastest and longest roller coaster. Qiddiya Investment Company awarded a $1 billion construction contract to Almabani General Contractors and Bouygues Batiment International in December 2021.

The last section of the 57.7-kilometre Mexico-Toluca commuter railway, from Santa Fe into the rebuilt Observatorio terminal, was inaugurated, finishing a line that had been opening in stages from Zinacantepec since 2023. Its estimated cost climbed from $38.6 billion MXN in 2014 to $73.72 billion MXN by 2019.

The 82.15 km semi-high-speed corridor from Sarai Kale Khan in Delhi to Modipuram in Meerut, with 16 stations, two depots and Alstom trainsets running at 160 km/h, became fully operational, covering the distance in under an hour. Deutsche Bahn's Indian subsidiary runs it for the National Capital Region Transport Corporation.

An IndiGo flight from Lucknow landed on the first day of scheduled service at the National Capital Region's second airport, whose first phase has one 3,900 m runway and a 101,590 sq m terminal for 12 million passengers a year, designed by Grimshaw with Nordic, Haptic and STUP. Zurich Airport International holds the 40-year concession, and the DGCA granted the aerodrome licence on 6 March 2026.

The only man ever charged in Tupac Shakur's 1996 drive-by killing went on trial in Las Vegas, where jury selection began nearly 30 years after the shooting and more than two years after the first trial date.

LAX’s $3.34BN Automated People Mover - the driverless train meant to finally connect the airport’s terminals to LA’s Metro system - has slipped years past its original target and still has no confirmed opening date.

Consumers Energy's 1960s-built J.H. Campbell coal plant in West Olive, Michigan, was due to retire on 31 May 2025 but the Department of Energy has forced it to keep running under six emergency orders, the latest through 14 November 2026; a federal appeals court vacated the first order on 11 September.

Germany's long-delayed underground through-station replaces the Stuttgart terminus after two decades of construction. Estimated date.

Sungei Bedok opens as the terminus of Thomson-East Coast Line Stage 5 and of the Downtown Line 3 extension, making it the interchange between the two lines. It sits above the East Coast Integrated Depot, the world's first depot stacking three rail lines and a bus depot on one site, and opens alongside Bedok South and Xilin stations.

WHO South-East Asia's target to eliminate measles and rubella by 2026 reaches its deadline on 31 December, after being moved from 2020 to 2023 to 2026. The Regional Verification Commission warned in June that the target "may not be achieved" as outbreaks rise in Bangladesh, India, Nepal, Thailand and Maldives.

The first 8.4 km section of the Phase 4 Golden Line, from Tughlakabad to Sangam Vihar, is targeted to open in December 2026; the rest of the 29.785 km Delhi Aerocity-Tughlakabad corridor, 19 stations with 12 of them underground, follows in phases. By April 2026 civil work was 78 per cent done with five tunnel boring machines still at work, and trainsets had begun arriving at the modified Sarita Vihar depot.

Chery and its Spanish partner Ebro said they expect to begin producing Chery-brand Omoda and Jaecoo models at the former Nissan plant in Barcelona's Zona Franca at the end of 2026 or early 2027, after repeated delays from a 2024 start.

Norway's plan to blast the world's first full-scale ship tunnel through the Stad peninsula has cleared its funding hurdles, with construction now set to begin in early 2027.

The contractor behind LAX's 2.25-mile, $3.3 billion people mover now says passenger service could begin on 6 January 2027, after missing an October target, but warns there can be "no assurances" the date will hold.

Four trains an hour will run through to Mantes-la-Jolie over the 47 km of rebuilt track west of Nanterre-La Folie, where Eole's first new section opened in May 2024. The full six-trains-an-hour service is not due until the end of 2029 because of trouble installing the line's new digital signalling and switching system.

The 32 km non-stop link will run every 15 minutes from 5am to midnight between Gare de l'Est and Charles de Gaulle Airport, a 20-minute trip, operated by Hello Paris, a Keolis and RATP Dev joint venture. The infrastructure company, owned in equal shares by Groupe ADP, SNCF Reseau and Banque des Territoires, says it financed the entire project without public subsidies, and CAF France of Alsace supplied the trainsets.

The revived Palm Jebel Ali masterplan covers 1,700 villas and 6,000 apartments for about 35,000 families across seven fronds, up to twice the size of Palm Jumeirah. Villa construction is running on all 12 residential fronds, with the island as a whole targeted for 2028.

Holtec's restart of the 800 MWe Palisades nuclear plant in Covert, Michigan, first promised for the end of 2025, is delayed indefinitely after a used fuel assembly tilted and stuck in the reactor vessel on 30 August 2026; with no new date given, this pin sits at the end of March 2027, the backstop for the plant's power contract.

Unveiled in 2017 with claims of a 1.9-second 0-60 and 620-mile range, and delayed every year since. Estimated date.

Boeing says the first 777-9 will be delivered in 2027, seven years late, after taking a $4.9 billion charge; Lufthansa is the launch customer, with delivery currently scheduled for mid-2027, and Emirates has signalled it is planning for late 2027.

Genex's 250 MW, 2,000 MWh Kidston pumped hydro project in north Queensland, the first built in Australia in more than 40 years, is now due for completion in July 2027, a year later than the first half of 2026 Genex targeted in May 2025, because the civil works took longer than expected.

India's first high-speed rail line, modelled on Japan's Shinkansen, is now targeted to open its first short segment in 2027, years later than originally planned.

The first section of Line 15, the 76km ring at the heart of the Grand Paris Express, has slipped repeatedly and is now expected to open between Pont de Sevres and Noisy-Champs in autumn 2027.

A five-kilometre SkyTrain extension meant to unlock a taller, denser Broadway Corridor in Vancouver has slipped from its original early-2026 target to autumn 2027.

The city-owned stadium in Franklin Park reopens after a rebuild that grew from a $30 million repair into a $325 million project, $135 million of it public money from the City of Boston and $190 million from the owners of Boston Legacy FC. The NWSL club will not play its first match there until 2028; Boston Public Schools athletics get the ground back first.

Cancer, liver-disease and pregnancy warnings become mandatory on every alcohol container sold in Ireland, after the government pushed the start from 22 May 2026 to 3 September 2028 citing economic circumstances.

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.

Samseong is the in-fill station between Seoul Station and Suseo on the GTX-A express line, sitting inside the Yeongdongdaero transfer complex in Gangnam. In May 2026 inspectors found 50 of the 80 support columns on the fifth basement level had one layer of reinforcement where the design called for two, and Hyundai Engineering and Construction is covering the roughly 3 billion won repair.

A third San Diego-Tijuana border crossing two miles east of the existing Otay Mesa port, built mainly for trucks, with 27 northbound and 8 southbound lanes and tolls to help pay for it. Ground was broken in August 2022 after long delays.