Which is bigger A350 or 787-9?

The Bottom Line: The Airbus A350-900 and Boeing 787-9 are very similar aircraft, suited for similar missions. As one would expect, the slightly larger A350-900 has a seat-mile cost advantage, while the 787-9 has an advantage in cost per block hour. These aircraft are competitive, and nearly tie in economic performance.



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Airbus has changed the design of its A350 flagship jet amid its dispute with Qatar Airways over peeling paint. Airbus has changed the copper foil used on its A350 aircraft, which protects from lightning strikes. In 2021, Qatar Airways sued Airbus over chipped paint that exposes the copper mesh, citing a safety risk.

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The global A350 fleet had completed more than 1,175,000 flights on more than 1070 routes without accidents. It succeeds the A340 and competes against Boeing's large long-haul twinjets: the Boeing 787, the Boeing 777, and its successor, the 777X.

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While both aircraft have much quieter cabins than their competitors, the A350 definitely feels a lot quieter than the 787, no matter which part of the plane you're sitting in. The A350 is in fact the quietest twin-engined aircraft in the skies. The only plane quieter is it's double-deckered older brother, the A380.

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More sustainable. The A350 is designed to be a quieter, cleaner aircraft delivering 25% less fuel burn and CO2 emissions per seat. The quietest in its class the A350 has reduced its noise footprint by 50% vs previous generation aircraft as well as lowering NOx emissions.

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It depends if you are flying first class, business, or economy. Assuming you're talking about economy, then the A350 wins by far, in my opinion. Because the layout of the B787 is 3–3–3, the seats are narrower than average; most seats are only 17.5 inches wide. The Airbus A350, however, boasts wider seats.

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About the Boeing 787-9 Long flights are no problem for the Dreamliner, as it is very fuel efficient. Since this aircraft can fly up to 8,500 nautical miles, it can even cover our longest routes ? like flying from New York City to Bangkok.

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The problem is that it's almost the exact same size as the 777–300 and most of the airlines that are interested already have the 777–300 in their fleet. Airbus also said that for roughly the first ~2 years of A350 production that they would only build -900's, which scared off a lot of potential -1000 buyers.

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They had very low bypass ratios and as a result, were noisy and thirsty beasts. Over the years the size of those first stage fans has grown – as has the percentage of bypass gas – to the point today where the A350 Trent XWB engine is a true giant, and the bigger the engine, the more efficient and quiet it is.

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The range in hourly rate also changes by airline and by type of aircraft. For example, an experienced Captain flying an A350 for Delta can expect to earn $354 per hour. Delta pays a junior First Officer $92 per hour.

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The 777-9 measures 251 ft 8 in (76.72 m) in length, compared with 242 ft 1 in (73.78 m) for the A350-1000. With its folding wingtips, its wingspan is much larger too – at 238 ft 10 in (72.80 m), it has more than 20 feet on the A350.

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Range and flexibility. Surprisingly, for all its size, the A380 can't go as far as the A350. The A350-1000 can travel more than 1,000 km (540 NM) further than the A380. Singapore Airlines has a special 'ultra-long-range' (ULR) A350-900, which operates on the longest route in the world, from Singapore to New York JFK.

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The Boeing 777X is a larger aircraft For twins, Boeing will dominate in terms of capacity. The larger 777-9 offers a typical two-class capacity of 426 seats; this compares with 369 for the A350-1000. The 777-8 will be in a similar league as the A350-1000, with a capacity of around 390.

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“The perfectly curved shape of the nose helps the air flow hug the surface, in the least turbulent manner, thereby reducing drag. The emblematic “Ray-Ban” like black windshield eases the window's maintenance and contributes to harmonising the thermal condition of this temperature-sensitive window area.

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