Why Singapore Airlines Is Saving Its New Premium Economy Seat For The Boeing 777-9

Published Nov 11, 2026, 1:00 AM EST Passionate about promoting aviation, the beauty of flight and the science behind it, Antonio is an avid reader of aviation magazines and books, and he loves visiting airshows all over the world, taking photos and writing about airplanes and helicopters as well. He is currently based in Palermo, Sicily. Singapore Airlines(SQ) is about to sell two very different premium economy cabins under one name, and it has already decided which aircraft will get the better one. When the carrier detailed its next-generation KrisWorld system on October 22, as covered by Mainly Miles, one detail stood out: the all-new premium economy seat, with a screen of up to 16 inches (41 cm), is bound only for the Boeing 777-9. The 41 Airbus A350s undergoing the S$1.1 billion retrofit will retain their existing Premium Economy seats, albeit with a refresh. That leaves an obvious question: why spend more than a billion Singapore dollars rebuilding the A350 cabins while leaving the premium economy largely as it is? Singapore has now provided more clues, including the fact that the new seats are certified for the 777-9 but not yet for the A350. The available evidence also points to a substantial new seat-development program and a retrofit focused on the cabins with the greatest revenue potential. The distinction matters: what follows separates what Singapore has confirmed from what the evidence suggests. Singapore Airlines' October 22 Cabin Announcement Credit: The Global Guy | Shutterstock The announcement was broader than premium economy. CAPA summarized it as a package of inflight enhancements, but the detail that matters here comes from Executive Traveller: the A350s will get only a “refresh” of their current premium economy seat, while an all-new design goes to the 777-9. According to SeatCompare, the annex to Singapore’s release lists the 777-9 as the aircraft carrying all four new cabin products, meaning first, business, premium economy and economy. On November 6, Singapore confirmed the aircraft split: the Boeing 777-9 will introduce all four new long-haul cabin products, while the A350 retrofit focuses on the new First and Business Class products and retains the existing Premium Economy seat. The new premium economy seat has now been confirmed with a 16-inch (41 cm) 4K screen, Bluetooth audio, USB-C connectivity, a 40-inch (102 cm) seat pitch, 9 inches (23 cm) of recline and a 19-inch (48 cm) seat width. Singapore says selected aircraft will receive 4K OLED displays, so even the new product may not be completely uniform across the fleet. The seat itself is being supplied by Collins Aerospace, with Factorydesign responsible for the design, replacing the earlier reports that only described its manufacturer and business-class lineage as unconfirmed. Leaving the seat on the A350 unchanged is not new, either. Singapore launched premium economy in August 2015 after a two-year program, which Silverkris, the airline’s own magazine, put at close to $80 million. That seat is now more than 11 years old. SeatCompare argues the contrast will be stark: on a 777-9 the premium economy screen will be bigger than the business-class screens of a generation ago, while an A350 passenger keeps the screen that cabin has always had. The split between the two aircraft is easier to understand when viewed against the program’s original timetable. The new seats were developed for the 777-9, but Boeing's delays forced Singapore to find another way to introduce at least part of the cabin package. That decision explains why the A350 retrofit looks the way it does. How The Boeing 777-9 Delay Split The New Cabins Credit: Simple Flying simulation The cabin program was tied to the 777-9 long before Singapore announced the A350 retrofit. Reports trace the work to 2018, with a launch expected around 2021, as Live From A Lounge noted. The aircraft's development schedule, however, took a very different turn. The 777-9 first flew in January 2020 and, according to Simple Flying, still was not certified as of a Farnborough 2026 report, with Boeing now targeting a first delivery to Lufthansa in 2027, about seven years behind the original schedule. Mainly Miles counts it as the fifth delay since the type’s launch at the Dubai Airshow in November 2013. The delay carried real costs. As early as May 2023, CEO Goh Choon Phong acknowledged that Singapore would have to extend the life of some aircraft, particularly the older Boeing 777-300ERs, because the 777-9 was late, as Mainly Miles recalls. By November 2024, Singapore had run out of patience. It announced a S$1.1 billion retrofit, roughly $835 million at the time, according to View from the Wing, that would put the first and business class designs meant for the 777-9 onto 41 long-haul A350-900s instead. The airline ordered 20 of the type in February 2017 and added 11 more in February 2021, as Executive Traveller has documented, and those 31 jets are meant to receive the same first and business class designs plus all-new premium economy and economy seats. Moving the first and business class products to the A350s gave Singapore a way to use much of the work already completed for the 777-9. It did not solve every cabin question, though. Premium economy was left out of that transfer, and the aircraft configurations help explain why the airline may have chosen to concentrate its investment elsewhere. Why The A350 Retrofit Prioritizes First And Business Class Credit: Ridha Arianta | Shutterstock Singapore has not publicly explained why premium economy is being treated differently, so the following is analysis rather than the airline's stated rationale. One possible explanation is that the retrofit prioritizes the cabins with the greatest revenue potential. The program covers 34 long-haul A350-900s, each with 42 business, 24 premium economy and 192 economy seats, and seven ultra-long-range A350-900s that will gain first class for the first time, with four suites alongside 70 business and 58 premium economy seats. When Singapore resumed nonstop flights to Los Angeles in 2018, Malay Mail reported a two-class layout of 67 business and 94 premium economy seats. That configuration is not merely a historical snapshot: Singapore's current Airbus A350-900ULR seat map still lists 67 business class and 94 premium economy seats. It is therefore the appropriate baseline for comparison with the announced retrofit. On the planned layout, premium economy loses 36 seats, while business gains three and first class gains four suites. A senior executive had told Malay Mail that same year that business class sold easily on the nearly 19-hour flights to the United States, while premium economy had to be priced very attractively. The capacity changes are only part of the picture. The retrofit schedule has also become less certain. Mainly Miles reported in May that the first retrofitted long-haul A350 had slipped to the first quarter of 2027, with the ultra-long-range jets and their new first class left without a committed date. Mainly Miles reads the certification problem as likely involving first class. A program already running late has little room for a second major seat, and that points to a bigger question: how big a project is this premium economy seat? Why The New Premium Economy Seat Is A 777-9 Product Credit: RTX Singapore Airlines has now confirmed who is behind its new Premium Economy seat. According to the airline'sNovember 6 announcement, Collins Aerospace will manufacture it, with Factorydesign handling the design. The seat will offer a 40-inch (102 cm) pitch, 19-inch (48 cm) width and 9-inch (23 cm) recline, along with adjustable leg and footrests. Passengers will also get a screen of up to 16 inches (41 cm), with 4K resolution and Bluetooth audio. Selected aircraft will feature OLED displays. So why won't the A350 receive it? Singapore Airlines has made clear that it makes cabin investment decisions separately for each aircraft type. As Chief Commercial Officer Lee Lik Hsin toldThe Straits Times, the airline considers the requirements of each cabin within each fleet. There is also a certification issue. The new 777-9 seats have already cleared certification, while the A350 installations are still awaiting regulatory approval. Consequently, the 41 A350s in the S$1.1 billion retrofit will retain their existing Premium Economy seats while receiving the new business class product and, on the ULR version, a new first class cabin. Details Status Screen up to 16 inches (41 cm), 4K Confirmed by Singapore 4K OLED display Selected aircraft only Collins Aria base Reported, not confirmed Wireless charging and calf rest Reported Screen of 15.6 inches (40 cm) Reported by one outlet Mainly Miles has already reported that Singapore postponed the start of the ultra-long-range retrofit downtime, and every additional seat type installed during that hangar visit adds certification work and supply risk to aircraft that cannot afford to sit idle. All of that development work needs an aircraft to enter service. For Singapore, that means waiting for the 777-9, whose delivery schedule remains uncertain. When Passengers Can Expect To Fly The New Seat Credit: Sorbis | Shutterstock The airline's stated timeline points to 2027 for the arrival of 777-9s fitted with the new premium economy seat. That is the optimistic end of the current range. View from the Wing thinks 2028 is more likely, since Singapore is not among the first 777-9 customers. The numbers support the caution. Mainly Miles noted that Singapore’s fleet plan showed no 777-9 deliveries in the 12 months to March 31, 2027, with Emirates, Qatar Airways and Lufthansa ahead in line, which means no Singapore 777-9 before April 2027 at the earliest. According to Simple Flying, airlines wary of further delays are already locking in 777-9 production slots. Its separate analysis of the 777-9 and A350-1000 counts more than 520 firm orders for the 777-9, led by Emirates with 270 aircraft and Qatar Airways with 124, which shows how crowded the line is. Passengers are likely to encounter the new cabin designs on the A350 before they see the 777-9. The same outlet reports that the first retrofitted A350 is expected to debut the new first and business class products in early 2027, ahead of any 777-9. The 777-300ERs that the new jets will replace are not scheduled to receive the new cabins either, according to the same outlet, so their premium economy stays as it is. More details are close: AsiaOne reports that Singapore will unveil the new first and business class seats on November 7. The timing matters because the airline could soon be selling two noticeably different products under the same premium economy label. That creates a customer-facing issue Singapore has yet to address: how will passengers know which version they are booking? Two Seats, One Name: What Singapore Airlines Needs To Get Right Credit: Airbus The A350 retrofit is a bet that the 777-9 will arrive before the gap becomes a problem. Singapore has separated the two programs on purpose: the A350s get a refresh of the 2015 seat, and the new seat waits for the aircraft it was designed around. Whether that holds as a short bridge or a lasting split depends on Boeing’s delivery line and on A350 certification, and the airline controls neither. The clearest test is the installed base. On the planned layouts, 34 long-haul A350s carry 24 premium economy seats each and seven ultra-long-range jets carry 58, about 1,220 seats with the older hardware. The 31 ordered 777-9s, at 36 premium economy seats each, would carry about 1,115 of the new seats, and that is only once the whole order has been delivered (the seat totals are my arithmetic from the published layouts). So the new product starts as the minority one, with no 777-9 deliveries in Singapore’s fleet plan before April 2027. Even among the new jets, View from the Wing reports the first 12 aircraft get conventional 4K screens and the later 19 get OLED. The thing to check is whether Singapore’s first 777-9 handover lands in 2027, as the airline maintains, or in 2028, as View from the Wing expects. Mainly Miles has reported that Singapore has not ruled out bringing some of the new features to the A350 later. As AirlineRatings noted, the launch of the new seat depends on one unpredictable factor, and that factor is Boeing’s schedule. Two signals will show whether the split is temporary: any A350 certification news for the new seat, and whether Singapore starts telling passengers which premium economy they are booking. If neither appears before the first 777-9 does, the two-tier product stops being a transition.