Delta Adding Two Routes in 2026

Delta is slated to bolster its network early next year with the addition of more routes. These flights will begin in late December and early January.

Ryan Ewing

Monday, May 12, 2025 at 12:50 PM

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Ryan Ewing

A Delta 737-800 in Los Angeles. (Photo: AirlineGeeks | William Derrickson)

Key Takeaways:

Delta is slated to bolster its network early next year with the addition of more routes.

According to Cirium Diio schedule data, the airline will resume flights between New York-JFK and Grand Cayman, along with Detroit and Liberia, Costa Rica. These routes will begin in December and January, respectively.

Service from New York to Grand Cayman will start on Dec. 3, operating once per week on Saturdays. The airline will deploy a Boeing 737-800 in this market.

Starting on Jan. 10, Delta will link Detroit and Liberia with once-weekly flights on Saturdays. This service will be operated by a Boeing 737-900ER.

The airline last served the New York-to-Grand Cayman route in 2016. Detroit to Liberia was last flown by the airline in 2002, per Enilria.

Ryan Ewing

Ryan founded AirlineGeeks.com back in February 2013 and has amassed considerable experience in the aviation sector. His work has been featured in several publications and news outlets, including CNN, WJLA, CNET, and Business Insider. During his time in the industry, he's worked in roles pertaining to airport/airline operations while holding a B.S. in Air Transportation Management from Arizona State University along with an MBA. Ryan has experience in several facets of the industry from behind the yoke of a Cessna 172 to interviewing airline industry executives. Ryan works for AirlineGeeks' owner FLYING Media, spearheading coverage in the commercial aviation space.