United Airlines will offer its new premium economy product on the Boeing 787-10 when the aircraft is introduced later this year, a seat map for the stretched Dreamliner shows.
The Chicago-based carrier will configure the 787-10 with 318 seats, split between 48 Polaris business, 21 premium economy, 45 extra-legroom economy and 208 economy, a seat map published in the 1 May update to United's flight attendant manuals and shared with FlightGlobal shows.
United plans to take delivery of its first three 787-10s this year, its latest fleet plan shows. It has firm orders for 14 of the aircraft.
The airline also released updated seat maps for its Boeing 767-300ER, 777-200 and 777-300ER aircraft with premium economy, or "Premium Plus" as it calls the product, in the update. The 767 will have 22 premium economy seats in a two-two-two configuration, and the 777-200 and 777-300ER 24 seats laid out two-four-two.
The density of the 767-300ERs in United's fleet will decrease dramatically, to 167 seats from 214, with the addition of premium economy. A seat map shows its Polaris business class will also increase to 44 seats from 30 seats.
In addition, density will decrease to 276 seats from 292 seats on the 777-200s, and to 350 seats from 366 seats on the 777-300ERs.
United declines to comment on the seat maps or plans for Premium Plus.
The airline announced plans in January to roll out a premium economy cabin. It has been mum on details except to say the product will be offered as a separate class between economy and business.
The seat map shows three rows of premium economy in a two-three-two configuration on the 787-10.
Competitors, including American Airlines and Delta Air Lines, have been introducing premium economy on increasing numbers of routes to the USA, leaving United at a loss for a product between extra-legroom economy seats and business class.
Boeing delivered the first 787-10 to Singapore Airlines in March, with United one of the customers scheduled to take the stretched variant from the airframer's North Charleston, South Carolina, factory this year.
The 787-10 is 11m longer than the 787-8 and has capacity for 330 passengers in a standard two-class configuration, according to Boeing. It has a range of 6,430nm.
United operates 12 787-8s and 25 787-9s, in addition to its 787-10 order, Flight Fleets Analyzer shows.