Business travellers and mobility managers faced another bruising Monday after National Air Traffic Services (NATS) suffered its second major technical failure in a fortnight. A connectivity fault at NATS’ Prestwick control centre in South Ayrshire forced the agency to impose flow-rate restrictions across Scottish, Northern-Irish and northern-English airspace between 07:30 and 10:30 BST on 21 September. Airlines including British Airways, easyJet, Jet2 and Ryanair pre-emptively cancelled or significantly delayed services from Glasgow, Edinburgh, Belfast City, Manchester, Leeds-Bradford, Newcastle and Liverpool, with knock-on disruption felt as far south as Gatwick and Luton. Aviation-data firm Cirium estimated more than 200 departures and arrivals were cancelled and a further 500 delayed, affecting at least 120,000 passengers. Although NATS restored normal operations within three hours, it conceded the incident was unrelated to the 8 September software defect that paralysed UK skies and led to 2,000 cancellations. Airlines, already grappling with crew-rostering headaches and displaced aircraft from the earlier outage, publicly demanded “action and accountability”. Ryanair called for the resignation of NATS CEO Martin Rolfe, while easyJet warned corporates to brace for residual schedule volatility over the next 48 hours as aircraft and crews reposition. For employers this fresh failure highlights a widening resilience gap in UK critical transport infrastructure. Travel-management companies (TMCs) report that clients with time-sensitive assignments have begun booking back-up Eurostar seats or adding 24-hour buffers to long-haul connections—a trend that increases direct costs and employee downtime. Insurance advisors also note that some underwriters may treat repeated ATC glitches as a “known event”, potentially restricting cover for consequential losses unless firms can evidence robust duty-of-care planning. Government has so far resisted calls for an independent inquiry, but Transport Secretary Heidi Alexander told Parliament she will “review governance and contingency arrangements” at NATS and report back before the October half-term peak. With a third of all UK aviation movements now handled from Prestwick, corporate travel managers are pressing for accelerated investment in redundant fibre links and real-time data-sharing APIs so they can receive automated alerts before slot restrictions bite. In the meantime, global mobility teams are advised to: (1) verify that travel-insurance policies treat ATC failures as extraordinary circumstances; (2) add ATC disruption clauses to assignment letters; and (3) remind employees to keep boarding passes and delay notifications, which remain essential evidence for any EU 261 reimbursement claims—even if compensation is ultimately denied under the ‘extraordinary circumstances’ defence.
Source: The Guardian
