Air traffic control issue causes flight delays and disruption across UK

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Published: 2026-09-08T14:59:31.190Z • Permanent link

National Air Traffic Services (NATS) is facing a technical problem that has caused flight delays and disruption across the UK, with departures from London airports worst hit. According to data from FlightRadar24, a flight tracking website, over 200 flights were affected since 2pm, with most flights since 2pm being impacted. NATS has confirmed that it is investigating the issue, which is believed to be related to a problem with its air traffic control system.

According to reports, the problem is thought to have started in the early afternoon, with pilots and air traffic controllers receiving incorrect information about flight paths and altitudes. The issue has resulted in a significant backlog of flights, with many aircraft being diverted to alternative airports or forced to wait on the ground for several hours. NATS has apologized for the disruption, citing the technical issue and assuring passengers that it is working to resolve the problem as quickly as possible.

NATS has taken steps to mitigate the impact of the problem, including deploying additional air traffic controllers and using alternative air traffic control systems. However, the issue has still caused significant disruption, with many flights being cancelled or delayed. The incident has also raised concerns about the reliability of NATS's air traffic control system, which is used by airlines across the UK.

The technical problem at NATS has significant implications for the airline industry in the UK, with many airlines relying on the air traffic control system to operate safely and efficiently. The disruption has also affected research communities, with scientists and academics who rely on flight data to study air traffic patterns and air quality being denied access to the data they need. The incident has also raised concerns about the impact on air travel in the UK, with many passengers experiencing delays and disruptions.

The incident has also highlighted the need for greater investment in air traffic control systems, with many experts arguing that the current system is outdated and in need of modernization. The incident has also raised questions about the role of technology in air traffic control, with many experts arguing that the use of advanced technologies such as artificial intelligence and machine learning could help to improve the efficiency and reliability of air traffic control systems.

The technical problem at NATS is part of a larger pattern of disruptions in the UK's air traffic control system, which has been plagued by technical issues in recent years. In 2020, NATS experienced a major outage that caused widespread disruption to air travel, with many flights being cancelled or delayed. The incident highlighted the need for greater investment in air traffic control systems, with many experts arguing that the current system is outdated and in need of modernization.