This article is based on an official press release from GE Aerospace.

Delta TechOps and GE Aerospace Target 34% Reduction in CF6 Engine Maintenance Time

As the global aviation industry grapples with persistent supply chain constraints and a shortage of maintenance, repair, and overhaul (MRO) capacity, airlines are under immense pressure to keep their widebody jets in the air. In response to these challenges, GE Aerospace and Delta Air Lines’ maintenance division, Delta TechOps, have launched a joint initiative to drastically reduce engine turnaround times. According to an official press release from GE Aerospace, the two companies are integrating GE’s proprietary lean operating model, known as FLIGHT DECK, into Delta’s CF6 engine maintenance line.

Initiated in May 2025, the 18-month collaboration aims to reduce the turnaround time (TAT) for CF6 engine maintenance by 34% by the end of 2026. The CF6 engine is a critical asset for Delta Air Lines, powering approximately 25% of the carrier’s widebody fleet. Delta TechOps, which stands as the largest aviation MRO provider in North America, brings over 35 years of experience maintaining the CF6 engine family to this partnership.

The initiative relies on a series of eight intensive continuous improvement events, known as kaizen. To date, the companies report that the collaboration has already achieved a consistent 25% reduction in turnaround time, alongside notable improvements in workplace safety, ergonomics, and defect elimination.

The FLIGHT DECK Methodology in Action

Introduced by GE Aerospace CEO Larry Culp, the FLIGHT DECK model shifts away from traditional, project-based initiatives toward a behavioral culture of continuous improvement. The framework prioritizes Safety, Quality, Delivery, and Cost (SQDC), strictly in that order. It is built on core behaviors such as respect for people and a customer-driven focus, utilizing fundamentals like standard work and visual management.

“Flight Deck makes something very clear: safety, respect for people, and disciplined problem-solving don’t happen because leaders say the right words. They happen because leaders build operating systems that make those behaviors the norm.”

Shifting to Vertical Assembly

The practical application of this methodology takes place on the shop floor, or genba. During the first kaizen event in September 2025 in Atlanta, cross-functional teams focused on the disassembly and assembly of CF6 rotating components. According to the GE Aerospace release, data and ergonomic assessments revealed that vertical assembly was vastly superior to the traditional horizontal assembly methods previously favored by tenured technicians.

By implementing vertical assembly, the teams achieved a 54% reduction in cycle time and a 34% reduction in technician travel around the shop floor. Furthermore, the ergonomic risk for workers was downgraded from “high” to “low.”

“Going to genba enabled the Delta TechOps managers to learn directly from their technicians about the complexity of the tooling they were using and where it needed to be stored.”

A subsequent event in November 2025 focused on CF6 engine assembly, streamlining installation processes. This resulted in a 24% reduction in cycle time, a 45% reduction in technician travel, and the complete elimination of engine assembly defects.

Global Inspiration and Benchmarking

To scale these continuous improvement practices, Delta TechOps leadership looked beyond their own facilities. The GE Aerospace press release notes that the Delta team visited GE’s MRO facility in Celma, Brazil, as well as a site in McAllen, Texas, to gather operational insights.

Lessons from Celma, Brazil

The Celma facility, located in Petrópolis, is globally recognized for its highly efficient lean operations and is celebrating its 75th anniversary in 2026. During their visit, the Delta team benchmarked Celma’s ability to overhaul CF6 engines within a highly compact physical footprint.

Delta adopted several key practices from the Brazilian facility, including strict alignment to takt time, the exact rate at which a product must be completed to meet customer demand, and the implementation of visual management boards to instantly identify and resolve operational abnormalities.

“One important lesson that resonated with us in working with Larry Culp and the GE Aerospace team is the emphasis on building from a strong foundation. That means leadership alignment, clarity, and consistency in how we operate…”

Industry Impact and Future Outlook

AirPro News analysis

We at AirPro News view this collaboration as a critical case study in generating “synthetic capacity” within the aviation sector. With the industry facing severe supply-chain bottlenecks and a lack of physical MRO expansion space, reducing engine turnaround time by 25% to 34% effectively allows airlines to get aircraft back into revenue service faster without building new hangars.

Furthermore, the data from the September 2025 kaizen event highlights a modern manufacturing reality: improving worker ergonomics and safety directly correlates with significant gains in operational speed and quality. By empowering floor technicians to identify constraints, a core tenet of the “Respect for People” philosophy, Delta and GE appear to have successfully bypassed the typical workforce resistance that often accompanies top-down corporate process changes. With six more kaizen events scheduled through 2026, this partnership could serve as a blueprint for other MRO providers struggling with capacity limits.

Frequently Asked Questions (FAQ)

What is the goal of the GE Aerospace and Delta TechOps partnership?
The 18-month collaboration aims to reduce the turnaround time for CF6 engine maintenance by 34% by the end of 2026 using GE’s FLIGHT DECK lean operating model.

What is FLIGHT DECK?
FLIGHT DECK is GE Aerospace’s proprietary lean operating model that prioritizes Safety, Quality, Delivery, and Cost (SQDC) through continuous improvement and shop-floor problem solving.

How much of Delta’s fleet relies on the CF6 engine?
The CF6 engine powers approximately 25% of Delta Air Lines’ widebody fleet.

What were the results of switching to vertical engine assembly?
During a September 2025 event, switching to vertical assembly resulted in a 54% reduction in cycle time, a 34% reduction in technician travel, and a significant decrease in ergonomic risk.

Sources:
GE Aerospace Press Release