United Airlines placed a new order for nine 787-9 airplanes, valued at $2.53 billion according to list prices.
The new order will be replacing older widebody jets with new, advanced airplanes such as the 787-9.
The 787-9 can fly up to 7,635 nautical miles (14,140 kilometers) and serve 290 passengers in a standard configuration.
Later this year, the carrier is set to take delivery of the largest member of the Dreamliner family, the 787-10, which can seat up to 330 passengers in a standard configuration.
United plans to debut its first 787-10 on premium transcontinental routes in the U.S., boosting its coast-to-coast schedules to offer passengers travelling between New York/Newark and Los Angeles and San Francisco more flights and more premium seats.