Delta Air Lines Inc. plans to order 100 Boeing Co. 737 single-aisle jets, a deal with a list value of about $8.58 billion, in a rebuff to Airbus SAS, two people familiar with the matter said.

Delta’s order would be for 737-900ER extended-range jets, and the Atlanta-based company’s board will vote on the matter later this week, said one of the people, who wasn’t authorized to speak publicly.

Delta doesn’t comment on its plans for aircraft purchases, said Trebor Banstetter, a spokesman for the carrier. John Dern, a Boeing spokesman, didn’t immediately return a message seeking comment.