NATS equipment failure at Prestwick triggers delays across UK and Ireland
A technical issue at the National Air Traffic Services (NATS) Prestwick Centre in South Ayrshire is causing significant flight delays across the UK and Ireland. Engineers are currently investigating the equipment failure, which affects airspace over Scotland and northern England. While distinct from the software defect that canceled 2,000 flights earlier this month, the current disruption has led to cancellations and long waits at major hubs including Glasgow, Edinburgh, Manchester, and Belfast.
Key points
- NATS reported a technical issue at its Prestwick Centre, prompting engineers to investigate the equipment failure.
- Delays are reported at Glasgow, Prestwick, Edinburgh, Manchester, East Midlands, and Belfast City airports.
- Belfast City Airport has canceled several arrivals and departures, including routes to Manchester, Amsterdam, London City, Glasgow, and Edinburgh.
- Ryanair confirmed the issue is an equipment failure affecting airspace above Scotland and northern England, impacting flights to and from the UK and Ireland.
- NATS clarified this incident is unrelated to the software defect that caused 2,000 flight cancellations earlier in the month.
Background
This incident follows a series of major disruptions to UK air traffic in September 2026. On September 9 and 10, a technical fault in the UK air-traffic-control system grounded thousands of flights, causing chaos at Heathrow and other major hubs. A subsequent military flight plan error on September 11 triggered a nationwide blackout, leading to a full-system reboot and investigations by NATS and the Civil Aviation Authority. These events have heightened scrutiny on NATS chief executive Martin Rolfe and prompted government reviews to prevent recurrence, building on concerns from a similar 2023 outage.
Why it matters
The disruption highlights ongoing vulnerabilities in the UK’s air traffic control infrastructure, particularly at the Prestwick Centre which manages airspace for Scotland and northern England. Passengers face significant travel risks, including missed connections and overnight delays, as seen with travelers at Glasgow Airport. The incident underscores the critical importance of reliable air traffic management systems and the potential for cascading effects across international routes involving the UK and Ireland.
What to watch
NATS engineers are continuing to investigate the issue at the Prestwick Centre. Airports are monitoring the situation and working with NATS to resolve the problem. Passengers are urged to check with their airlines for updated flight information, as delays are expected to persist for flights heading north or departing Scottish airports. South of Manchester, airports are broadly unaffected, but northern routes remain subject to disruption.
- Flights disrupted by 'technical issue' with air traffic control across Scotland BBC
- Flights in Scotland, Northern Ireland and northern England disrupted by air traffic control issue BBC
- UK air traffic controller blames a millisecond-software glitch for flight cancellations AP News
- Airlines demand millions in compensation over UK air traffic outage ft.com
- Scots flights 'hit by air traffic control issues again' as passengers warned of delays Daily Record
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