World 8 sources · today Latest coverage 21 Sept 2026, 11:34 am UTC

Air Traffic Control Glitch Disrupts Hundreds of Flights Across the UK

A technical failure at a major air traffic control center has caused widespread delays for travelers across Scotland, Northern Ireland, and parts of northern England.

By Samuel Adeyemi · First published 21 Sept 2026

In brief

  1. A technical issue at the Prestwick air traffic control center restricted UK airspace and caused major flight delays.
  2. Hundreds of flights in Scotland, Northern Ireland, and northern England were affected, while airports south of Manchester saw fewer problems.
  3. Manchester, Glasgow, and Belfast airports experienced significant delays, with minor disruptions also reported at London airports.
  4. Engineers worked to resolve the issue, and air traffic control confirmed the problem has now been fixed.
  5. This is the second air traffic control failure in the UK within two weeks, raising concerns among airlines and officials.
Air Traffic Control Glitch Disrupts Hundreds of Flights Across the UK
Source: World News CNA

Timeline · 4 moments

4 moments Open the full timeline →

Technical issue strikes Prestwick air traffic control center

BBC - Home ↗

Hundreds of flights delayed as UK airspace restricted

Home | GB News ↗

Equipment failure at Prestwick confirmed by authorities

Financial Times ↗

Major delays at Manchester, Glasgow, and Belfast airports

World News CNA ↗

How it started

The disruption began on the morning of September 21, 2026, when a technical problem hit the UK's air traffic control system. According to the BBC, the issue originated at the Prestwick control center in Scotland, which plays a key role in managing flights across the northern part of the country.

As the fault emerged, airspace over nearly all of the UK was restricted. This led to immediate and significant delays for flights, especially in Scotland, Northern Ireland, and northern England. Passengers at major airports started experiencing long waits and uncertainty about their travel plans.

How it unfolded

The disruption became clear early in the day, with GB News reporting hundreds of delayed flights as airspace restrictions took effect. Airports in northern and central England, as well as in Scotland and Northern Ireland, were most affected.

Financial Times confirmed that equipment failure at Prestwick was at the heart of the problem, putting pressure on National Air Traffic Services to find a fix. As the morning progressed, CNA noted that Manchester, Glasgow, and Belfast airports were all experiencing delays. Even London's Gatwick and City airports reported some disruption, though the issues were less severe there.

The Times of India highlighted the impact at Manchester Airport specifically, one of the busiest in the north. Airlines began to press for answers, with PA Media pointing out that this was the second such failure in just two weeks, intensifying demands for action.

By midday, the Guardian and the New York Times reported that the technical issue had been resolved. Flights were still delayed, but the air traffic control system was functioning again.

Where it stands

As of this afternoon, the technical problem has been fixed and flight operations are gradually returning to normal. However, many passengers are still facing delays as airlines and airports work through the backlog created by the outage.

The incident has renewed concerns about the reliability of the UK's air traffic control systems, especially since a similar problem occurred less than two weeks ago. Airlines are calling for a thorough investigation and long-term improvements to prevent future disruptions.

What to watch

Travelers should expect residual delays for the rest of the day as airlines clear the backlog. Industry officials are likely to push for answers and reforms in the coming days, given the frequency of recent technical failures.

Written from 8 outlets' coverage of this story. Every timeline entry links to the original report.

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