N521DN: Delta Air Lines Airbus A350-900

The Airbus A350-900, known as the A359, is a long-haul, twin-engine, wide-body airliner. It is the initial variant of the A350 XWB (Extra Wide Body) family, designed to carry around 325 passengers. The A359 is lauded for its advanced technology, fuel efficiency, and passenger comfort, with features like larger windows, spacious seating, and improved cabin air quality. It's a common choice for long-haul international flights.