Premium economy has quietly become the sweet spot for long-haul flyers who want more than standard economy without paying business-class money. Roughly 20% of travellers now pick the cabin, up from 16% a year earlier, and US airlines — latecomers to the trend — have been busy catching up. Here's how the Big Three stack up.

American Airlines moved first, launching premium economy on its 787-9s in 2016. The cabin now appears on its 777-200s, 777-300ERs, 787-9s and international 787-8s, mostly fitted with Collins MiQ seats. Expect 38 inches of pitch, seats around 18.5–19 inches wide, and 11.5-inch screens. The newer premium-configured 787-9s get Recaro R5 seats with bigger 13.3-inch screens, adjustable footrests and privacy wings. On international routes you'll also get chef-inspired meals, free beer, wine and spirits, and an amenity kit on long-haul flights.

Delta came second with Premium Select, debuting in 2017 on an A350-900 flight from Detroit to Tokyo Narita before rolling it out across the A350-900, A330-900 (2-3-2 layout, 28 seats) and 767-400ER (2-2-2, just 20 seats). Seats mirror the competition at 38 inches of pitch but add Delta's diamond stitching, adjustable leg and footrests, extra recline, memory foam cushions and larger screens. Complimentary alcohol and reusable tableware round it out. Delta is doubling down: its A350-1000s are expected to carry nearly 50 Premium Select seats alone.

United was last to the party, launching Premium Plus in 2019 on most of its widebody fleet — with the notable exception of its high-density 777s, so check your aircraft before booking. Seats are the same Collins MiQ units as American's, and meals arrive on ceramic plates with metal cutlery rather than economy's disposable packaging.

On paper the three products are remarkably similar: same pitch, similar width, comparable extras. The real differences are route availability, aircraft type and soft service, so it pays to check which plane is operating your flight before paying the premium.

The trend goes well beyond the US. Emirates is rolling premium economy out quickly, Air France has doubled seats on some retrofitted 777-300ERs, Cathay Pacific has grown the cabin by 41% on updated 777s, and Turkish Airlines plans to join in from 2028. As first class retreats to a handful of Gulf and financial-hub carriers, premium economy is where the industry sees growth — and it can earn airlines around 33% more revenue per square foot than standard economy, which explains the investment.