• Delta will install Vortex Control Technologies finlet modification packages across its Boeing 737-800, 737-900ER fleet, covering 240 aircraft when complete.
• Program targets lower fuel consumption, reduced carbon emissions, improved operating economics as part of its sustainability strategy.
• Decision followed an in-service evaluation using flight test data, operational trend analysis, engineering review, CFD work on 737NG aircraft.
• Delta cited jet fuel as the source of about 90% of its carbon emissions, positioning efficiency upgrades as a key ESG lever.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Delta Air Lines Inc. published the original content used to generate this news brief on June 17, 2026, and is solely responsible for the information contained therein.