On October 25, Delta Air Lines will end flights on its highest-capacity equipment: the 339-seat Airbus A350. It has 30 business class seats (2-2-2), along with 63 with extra legroom (3-3-3) and 246 in the main cabin (3-3-3). Only its ex-LATAM aircraft had this configuration. Come October 26, only two A350-900 layouts will exist: the 275-seater and 306-seater.

Only one frame, the 9.7-year-old N569DZ, still has 339 seats. Its final passenger-carrying service with this configuration will be from Amsterdam back to Atlanta, a fortress hub at which Delta has 79% of the flights. It’ll be flown to Singapore’s Paya Lebar to undergo reconfiguration into the SkyTeam member’s lowest-capacity, highest-premium, 275-seat layout. This will operate many of Delta’s longest routes.

Hang On: Why Did It Have The 339-Seaters At All?

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Delta had nine frames with 339 seats. Perhaps partly influenced by the carrier’s retirement of the Boeing 777, the A350s were acquired from LATAM. In May 2020, the South American operator filed for bankruptcy protection, which was influenced by the pandemic.

Unsurprisingly, LATAM decided to offload all of its A350-900s, which were very expensive and, due to borders closing, temporarily not needed. This way of obtaining aircraft sometimes happens (Delta’s 717s were also acquired opportunistically).

The nine A350s were relatively young and had relatively few cycles. The SkyTeam carrier’s first 339-seater entered revenue service in June 2022. The A350-900 is Delta’s flagship equipment, at least until the A350-1000 arrives. A major challenge with its 339-seaters was their inferior and pretty uncompetitive hard product—its business seats didn’t even have direct aisle access—which contributed to its reconfiguration.

N569DZ’s Final Passenger Service In A 339-Seat Configuration

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On the day of writing, October 24, N569DZ will operate DL72 from Atlanta to Amsterdam. It’ll arrive early the next morning. On October 25, the final day of the northern aviation summer, based on IATA slot seasons, that frame will operate DL73. It’ll leave the Netherlands at 10:10 and arrive in Georgia at 13:34 local time.

Thereafter, when Delta switches to winter schedules, DL72/DL73 will no longer be operated by the A350. Instead, it’ll deploy the 282-seat A330-300. The other daily winter service will be on the A330-900. Cirium Diio data shows the A350 is not scheduled to operate the route through August 2026 at the earliest. It is unclear if it will return at all.

Recap: Where The 339-Seat A350-900 Flew Since June 2022

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Using Cirium to examine the 339-seater’s network between June 2022 and October 2025 shows that it operated all the routes shown above. In this period, Atlanta accounted for a whopping 94% of the services. In contrast, when all of Delta’s other A350 layouts are considered, only 56% of the type’s flights were from Atlanta.

More than eight out of ten of the 339-seater’s services were international. Atlanta to Lima had more flights than any other route. It was responsible for 15% of the total. When writing, Flightradar24 shows that N569DZ is en route from the Peruvian capital to Atlanta. Thereafter, it’ll use the A330-300.