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Airline CEOs Blame Engine Manufacturers for Aircraft Delivery Delays

Airline CEOs Criticize Engine Manufacturers Over Aircraft Delivery Delays
At the recent International Air Transport Association (IATA) annual summit in Rio de Janeiro, airline executives voiced strong criticism of jet engine manufacturers, attributing persistent engine problems and escalating maintenance costs to widespread aircraft groundings and delivery delays that may extend for years. The concerns highlight a significant bottleneck within the aviation industry, affecting global fleets and complicating airline operations.
Engine Issues Disrupting Global Fleets
Executives from leading airlines emphasized that engine reliability remains a critical challenge despite some recent progress. Jerome Cadier, CEO of LATAM Brasil, underscored the severity of the issue by revealing that 12 of the carrier’s single-aisle aircraft are currently grounded due to engine complications. This problem is not isolated; hundreds of Airbus A320neo jets worldwide have been sidelined, primarily because of prolonged wait times for engine inspections and repairs.
A manufacturing defect at RTX’s Pratt & Whitney has notably hindered the production of its fuel-efficient geared turbofan (GTF) engines, further exacerbating supply constraints. Airlines have also reported difficulties with engines produced by Rolls-Royce and GE Aerospace, impacting both Boeing and Airbus aircraft. The reliance on single engine types in aircraft design has intensified the problem, leaving carriers vulnerable to shortages and delays.
Industry Leaders Highlight Supply Chain Vulnerabilities
Scott Kirby, CEO of United Airlines, criticized Boeing and Airbus for their dependence on single engine suppliers, describing it as a major constraint for the next five years. While acknowledging progress by GE Aerospace and ongoing efforts by Pratt & Whitney to address their challenges, Kirby singled out Rolls-Royce as a particular concern. United’s recent cancellation of an order for 45 Airbus A350s, stemming from a contract dispute with Rolls-Royce, underscores the gravity of the situation.
The ripple effects of these delays are evident in major airline projects. Qantas, for instance, has postponed its ambitious Project Sunrise nonstop flights between Australia and New York or London, citing delays in the delivery of specially modified Airbus A350-1000 aircraft. The first of these jets is now expected in April 2027, pushed back from the original late 2026 target. Airbus has also issued warnings about further delivery delays for its A350 and A320neo families in the coming years.
Manufacturers Respond Amid Rising Costs
Engine manufacturers have responded by emphasizing their investments to expand repair and production capacities. RTX stated it is working to enhance the durability of its GTF engines, while GE Aerospace announced efforts to increase resources to meet demand. Rolls-Royce, however, has yet to provide a public comment on the matter.
Meanwhile, rising maintenance and ownership costs are compounding the challenges faced by airlines. Alexis von Hoensbroech, CEO of WestJet, highlighted that modern engines are incurring higher-than-expected maintenance expenses, which are offsetting anticipated fuel savings. He noted a significant increase in unscheduled maintenance, leading to ownership costs that far exceed initial projections.
Reflecting the growing frustration within the industry, outgoing IATA director general Willie Walsh accused engine manufacturers of “gouging” airlines and profiting at their expense. Despite some incremental improvements, airline executives anticipate that these constraints will continue to affect the sector for several years to come.

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