en.Wedoany.com Reported - The Airbus A350 series continues to operate on numerous ultra-long-haul routes worldwide. The New York to Singapore route operated by Singapore Airlines, with a flight time exceeding 19 hours, is currently the longest international flight by duration. According to aviation data platform Cirium, this route is served by the A350-900ULR variant, specifically designed for ultra-long-range flights with a range of up to 9,700 nautical miles. This aircraft features extensive use of carbon fiber composite materials in its fuselage to reduce structural weight and is powered by Rolls-Royce Trent XWB engines, offering approximately 25% better fuel efficiency compared to previous-generation aircraft.
Cirium data shows that Singapore Airlines operates multiple routes among the top ten longest routes flown by the A350. In addition to the New York route, Singapore Airlines operates 10 weekly flights on the Los Angeles to Singapore route, with a flight time of approximately 17 hours and 50 minutes. Qatar Airways' Doha to San Francisco route is the longest service for the A350-1000 variant, with a flight time of 17 hours and 40 minutes. This route is currently suspended due to regional circumstances and is expected to resume in June 2026. Qatar Airways was the global launch customer for the A350, first putting it into commercial service in 2015.
Air India's Delhi to New York route, operated by the A350-900, has a flight time of 17 hours and 20 minutes. Cathay Pacific's Dallas to Hong Kong route takes 17 hours and 15 minutes. Delta Air Lines' Johannesburg to Atlanta route has a flight time of 17 hours and 5 minutes. Routes such as Air France's Paris to Santiago and Qantas' Melbourne to Dallas also make the top ten list. These routes connect major cities in North America, Asia, Europe, Africa, and Oceania, utilizing both the A350-900 and A350-1000 variants.
Since its entry into service in 2015, over 710 A350 series aircraft have been produced, directly competing with the Boeing 787 series in the long-haul widebody market. Ultra-long-haul routes typically employ configurations with lower cabin seat density, reducing the number of seats to carry more fuel while providing more spacious accommodations for premium passengers. Singapore Airlines' New York route is configured with 67 business class seats and 94 premium economy seats, with no standard economy class. All passengers on board enjoy full meal and entertainment services throughout the flight.
China Southern Airlines, China Eastern Airlines, Air China, and Cathay Pacific are all operators of the A350 series. China Southern Airlines uses the A350-900 on its Guangzhou to New York and Guangzhou to Los Angeles routes. China Eastern Airlines' Shanghai to New York route is operated by the A350-900. Cathay Pacific operates a fleet of over 40 A350 series aircraft, including both A350-900 and A350-1000 variants, deployed on multiple long-haul routes from Hong Kong to North America, Europe, and Oceania.
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