Delta Eyes Seoul Routes for New Airbus A350-1000 Fleet

Delta Air Lines may introduce its incoming Airbus A350-1000 aircraft on nonstop services from Atlanta and Detroit to Seoul, South Korea, as the US carrier prepares to expand and modernize its long-haul fleet. The potential deployment at Seoul Incheon International Airport remains unconfirmed, while the first aircraft deliveries are expected in early 2027, according to Simple Flying. The possible routes would connect Hartsfield-Jackson Atlanta International Airport (ATL) and Detroit Metropolitan Wayne County Airport (DTW) with Incheon International Airport (ICN).

Aviation insider JonNYC raised the possibility in a post on X, but Delta had not confirmed the reported plans when Simple Flying sought comment. Delta has placed a firm order for 20 A350-1000 aircraft, with options to acquire another 20 as its fleet requirements evolve. The aircraft will become the largest type in Delta's fleet since the airline retired its Boeing 747 in 2017, according to the report.

Seoul is a major component of Delta's Asia-Pacific network and serves as a key connecting gateway for passengers traveling throughout the region. Delta's partnership with Korean Air provides access to an extensive network spanning the Americas and Asia, making Incheon a potential destination for the new aircraft.

According to Simple Flying, Delta and Korean Air jointly connect more than 290 destinations across the Americas and another 80 in Asia. Their transpacific operations account for approximately 2,000 daily passengers traveling between the Americas and Asia on the two airlines. Both carriers operate from Terminal 2 at Incheon International Airport. Their shared terminal location supports international connections, baggage transfers and lounge access for connecting passengers.

Delta plans to use the A350-1000 to replace older Boeing 767-300ER aircraft and increase capacity on selected long-haul routes. The newer jets are expected to improve fuel efficiency, reduce operating costs and lower carbon emissions compared with the older aircraft they replace. The report cites potential fuel-burn reductions of up to 25% compared with older-generation aircraft, while the A350-1000 itself is designed to offer approximately 20% lower fuel consumption under the stated comparison. The aircraft's range of up to 9,100 nautical miles (16,850 kilometers) could also support additional nonstop international services.

Delta's A350-1000 aircraft will be powered by Rolls-Royce Trent XWB-97 engines. The airline intends to deploy the type on flagship international routes, with its first delivery expected in early 2027. The new aircraft will also introduce Delta's next-generation Delta One suites, featuring sliding privacy doors and the largest seat-back screens installed by the airline.

The planned cabin configuration emphasizes premium passengers, with up to half of the aircraft's capacity intended for premium seating, according to the report. Beyond the potential Seoul services, Delta could deploy additional A350-1000 aircraft on existing Asia-Pacific routes as deliveries continue. Simple Flying also identified Singapore as a possible destination for the type as early as 2027, although no such deployment has been confirmed.