Exploring the 10 Longest A350 Passenger Routes for 2025
The Airbus A350 twin-engine passenger jet has emerged as a remarkable feat in modern aviation. As of October 2025, this aircraft is utilized by 44 different airlines, boasting around 635 active jets currently in operation.
There are two primary variants of this aircraft: the A350-900, which serves as the standard version with 535 units flying, and the larger A350-1000, which is less prevalent, with only 100 in active service among global airlines.
Introduced in 2013, the A350 has swiftly replaced older, less fuel-efficient models for long-haul routes, while also being employed on high-density regional segments, especially in the Asia-Pacific area.
Singapore Airlines stands out as the largest operator, employing 65 A350s, followed by Qatar Airways (58), Cathay Pacific (47), and Delta Air Lines (35), among others.
Due to its capacity for extended flights without needing to refuel, the A350 has become the go-to choice for long-haul travel, forming the backbone of many airlines’ widebody fleets. The popularity of this aircraft has led to its use as a primary replacement for older long-haul models like the Boeing 767-300 and Boeing 777 series, as well as the A330-200 and even some Boeing 747-8 routes.
One of the aircraft’s advantages is its reliability, allowing it to operate under ETOPS 370 regulations. This means it can take more direct transoceanic paths while remaining within 370 minutes of a viable diversion airport. In the event of an engine failure over water, the A350 can continue flying for an additional six hours and ten minutes on a single engine.
Passengers have also responded favorably to the A350, with operators noting the highest customer satisfaction ratings among contemporary aircraft. Travelers appreciate the roomier cabin, reduced noise levels, and the modern amenities that enhance their flying experience, even on the longest routes.
With 435 A350-900s and 260 A350-1000s on order, the aircraft is set to remain a staple in commercial aviation for years to come. Its unique capability to handle the longest routes currently in service makes it a pioneer in long-haul travel, enabling previously unthinkable connections.
In this overview, we will delve into the world’s ten longest A350 routes by distance, identifying the operating airlines and their flight frequencies as of October 2025. The information has been compiled from aviation route analysis platform Cirium, along with supplementary data from Flightradar24 and fleet statistics from ch-aviation.
Singapore Airlines – Singapore (SIN) to New York JFK (JFK)
Total distance – 9,487 miles / 15,179 km
This route is operated daily under the flights SQ24 (SIN-JFK) and SQ23 (JFK-SIN) using Singapore Airlines’ A350-900 fleet. Each airplane accommodates 253 passengers across three classes, resulting in a total of 1,771 passengers weekly in each direction. The average flight duration is approximately 18 hours.
Singapore Airlines – Singapore (SIN) to Newark Liberty (EWR)
Total distance – 9,484 miles / 15,174 km
This route narrowly misses the top spot, being just three miles shorter than the JFK service. The connection is also operated daily as flights SQ22 (SIN-EWR) and SQ21 (EWR-SIN) with a similar A350-900 configuration, taking around 18 hours to complete.
China Southern – Shenzhen (SZX) to Mexico City (MEX)
Total distance – 8,778 miles / 14,044 km
This unique route ranks third and is operated three times weekly by China Southern Airlines. Using its fleet of 20 A350-900s, the service is designated as CZ8031. Each of these aircraft accommodates 314 passengers across three classes, totaling 942 seats available in each direction weekly. The flight lasts about 15 hours.
Singapore Airlines – Singapore (SIN) to Los Angeles (LAX)
Total distance – 8,758 miles / 14,012 km
Singapore Airlines runs several flights on this route, all aboard A350s. The SQ36 (SIN-LAX) and SQ35 (LAX-SIN) flights operate three times a week, supplemented by daily flights SQ38 (SIN-LAX) and SQ37 (LAX-SIN). The eastbound journey takes around 15 hours, while the westbound leg is about an hour longer. Together, they provide 5,060 seats weekly.
Philippine Airlines – Manila (MNL) to New York JFK (JFK)
Total distance – 8,513 miles / 13,620 km
This route is Philippine Airlines’ longest and ranks fifth among international A350 connections. Flights PR126 (MNL-JFK) and PR127 (JFK-MNL) operate three times weekly on A350-900s, accommodating 295 passengers in a three-class layout. Eastbound flights take approximately 15 hours, while the westbound journey is slightly longer at around 16:30.
Singapore Airlines – Singapore (SIN) to San Francisco (SFO)
Total distance – 8,440 miles / 13,504 km
Singapore Airlines enters again with another route ranking in the top ten. The SQ32/SQ31 flights operate daily and fall just 158 miles short of the Los Angeles route. The airline provides 3,542 seats weekly in each direction, totaling 7,084 seats.
Delta Air Lines – Atlanta (ATL) to Johannesburg (JNB)
Total distance – 8,433 miles / 13,493 km
Delta Air Lines makes its appearance as the only U.S.-based airline operating the A350. The flights DL200 (ATL-JNB) and DL201 (JNB-ATL) run daily, with the flight to Johannesburg taking around 14:15 hours, while the return leg requires approximately 16 hours and 30 minutes. Each A350-900 carries 306 passengers across three classes.
Qatar Airways – Doha (DOH) to Los Angeles (LAX)
Total distance – 8,301 miles / 13,282 km
Qatar Airways leads with its A350-1000, which can hold 327 passengers. The flights QR739 (DOH-LAX) and QR740 operate daily, taking about 15 hours from Doha and 14:45 hours for the return journey.
Philippine Airlines – Manila (MNL) to Toronto (YYZ)
Total distance – 8,217 miles / 13,147 km
This route ranks ninth for Philippine Airlines, also operated by its A350-900s. The journey takes around 14 hours and 30 minutes from Manila, with the return trip requiring about 15:30 hours.
Delta Air Lines – Atlanta (ATL) to Cape Town (CPT)
Total distance – 8,127 miles / 13,003 km
Similar in length to the Johannesburg route, flights to Cape Town take slightly less time. The ATL-CPT leg lasts about 14 hours and 30 minutes, while the return is around 15 hours and 15 minutes, all operated by Delta’s A350-900s.
Special mention: Cathay Pacific – Hong Kong (HKG) to Dallas-Fort Worth (DFW)
Total distance – 8,120 miles / 12,992 km
This route, operated by Cathay Pacific four times weekly, almost made our main list. Using A350-1000s, each accommodating 334 passengers across three classes, the service provides a weekly total of 1,336 seats in each direction.
Longer, and longer still…
The A350 frequently operates flights lasting between 15-17 hours, affirming its status as a key player in long-haul aviation. This reputation will only grow as, starting in early 2027, Qantas plans to use new A350-1000s for its first-ever non-stop flights from Sydney to London and New York, dubbed Project Sunrise. With distances exceeding 10,573 miles (16,967 km) and 9,950 miles (15,920 km), these flights will take around 19 hours, further pushing the boundaries of long-distance air travel.
As these advancements unfold, which other routes or airlines do you think will make waves in the future of long-haul aviation?
