Leading US carrier Delta Airlines has signed an order for 20 Airbus A350-1000 airliners to meet its future wide-body needs.Delta was the first US airline to operate the A350-900 but the order is the first for the longer -1000 variant from the Atlanta-based carrier which will open up new opportunities for the airline with its long range and fuel efficiency.The deal means Delta Airlines will operate all Airbus models that are currently in production from the A220 to the A350.“We are thankful for Delta’s continued confidence in Airbus’ solutions to meet its fleet needs,” said Christian Scherer, Chief Executive Officer of the Commercial Aircraft business, Airbus. “Delta was the first U.S. airline to operate the A350-900, and is doing so with great success. Delta now welcomes the A350-1000, which will open even more opportunities for the airline and its customers. We are proud that our aircraft serve the entirety of Delta’s impressive global network as this stellar airline takes fleet efficiency to the next level.”