Premium economy started with EVA Air in the early 1990s, when its 'Economy Deluxe' cabin gave transpacific flyers a taste of something better without the business class fare. Thirty years on, nearly every major airline sells the category, but quality varies wildly. A few carriers have pushed the product far beyond the standard wider-recliner formula, and the difference between an average seat and a great one can redefine a long-haul flight.

Japan Airlines arguably leads the pack. On its Airbus A350-1000 flagship (11 in service, replacing Boeing 777-300ERs on domestic trunk routes), JAL installed Safran fixed-shell seats with 42 inches of pitch — tied with EVA Air for the most legroom in the category. Add full-height dividers between seats, motorized controls, a 16-inch 4K screen, USB-C ports, a tablet holder and seven inches of recline, then layer on five-star cabin service and meals served in ceramic dishes with metal cutlery. The catch: only a small fleet flies with this cabin, so many travellers won't encounter it.

EVA Air, the pioneer, is back with its Recaro R5 seats on eight Boeing 787-9s. The standout figure is again 42 inches of pitch — roughly four inches more than the industry norm — plus privacy wings, a 15.6-inch HD screen, upgraded meals, complimentary champagne and proper amenity kits. With nine more 787-9s and 24 A350-1000s on order, this newer product should spread across the fleet.

Emirates entered the game only in 2022, but did so with intent. Its premium economy, on retrofitted A380s and 777s and all new A350s, uses a common Recaro seat yet stretches pitch to 40 inches with a generous recline. Notably, Emirates fits seven seats per row on the A350 (most airlines squeeze in eight), and serves regionally themed menus with complimentary wines that include some business class labels.

Virgin Atlantic wins on everything except the seat. Its catering, drink list and famously warm crew service are routinely rated among the best in premium economy anywhere — it's the actual seats (Collins MiQ on the A330-900 and A350-1000, older models on the 787-9 and A330-300) that are merely average. United, meanwhile, is going the hardware route: its new 'Elevated' Boeing 787-9s — currently flying San Francisco to Singapore and London, with Zurich from September — feature Premium Plus seats with privacy wings, a sliding partition, a 16-inch 4K OLED screen, wireless charging and USB-C, all at a standard 38 inches of pitch. The same seats will appear on upcoming A321XLRs and A321neos.

For travellers weighing whether premium economy is worth the premium, these five cabins make a strong case: seat hardware matters, but so does what arrives on your tray table and how you're treated at 38,000 feet. Frequent flyers on Japan–US, Europe–Asia or transpacific routes should check the aircraft type before booking — the same airline, the same cabin class, can mean two very different experiences depending on which plane shows up.