Implementation advances Delta's ongoing efforts to improve fleet efficiency across global operation

SEATTLE, June 17, 2026 /PRNewswire/ -- VCT today announced that Delta Air Lines will install a finlet modification package fromVortex Control Technologies (VCT) across its Boeing 737-800 and 737-900ER fleet, bringing the enhancement to 240 aircraft once installation has been completed. The decision follows a comprehensive technical collaboration and in-service evaluation between the two companies, including analysis of flight test data, operational trends and engineering review of aerodynamic performance.