Singapore Airlines flies on five continents from its primary hub in Singapore.
After the Asian financial crisis in 1997, Singapore Airlines discontinued its routes to Berlin, Darwin, Cairns, Hangzhou, Kagoshima, and Sendai. Toronto was discontinued earlier, in 1992, due to a petition from Air Canada. During the SARS outbreak in 2003–04, Singapore Airlines ceased flights to Brussels, Chicago, Las Vegas, Hiroshima, Kaohsiung, Madrid, Mauritius, Shenzhen, Surabaya, and Vienna. Singapore Airlines discontinued flights to Vancouver and Amritsar in 2009, and São Paulo in 2016.
The airline has a key role in the Kangaroo Route, operating flights between Australia and the United Kingdom via Singapore. It flew 11.0% of all international traffic into and out of Australia in the month ended March 2008. As of summer 2023, it operated more flights to Australia than any other country. Singapore Airlines also operated flights between Singapore and Wellington, New Zealand via Canberra until May 2018, when the intermediate stop was changed to Melbourne. This route was known as the Capital Express. The route was suspended in 2020 due to the COVID-19 pandemic.
Singapore Airlines has taken advantage of liberal bilateral aviation agreements between Singapore and Thailand, and with the United Arab Emirates, to offer more onward connections from Bangkok and Dubai, respectively.
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In 2005, AirAsia, a low-cost carrier (LCC) based in Malaysia, accused Singapore Airlines of double standards, when it claimed that the Government of Singapore attempted to keep it out of the Singapore market, despite desiring to fly routes out of Australia itself. In 2007, Singapore Airlines welcomed the liberalisation of the Singapore-Kuala Lumpur route, previously restricted to Singapore Airlines and Malaysia Airlines under rules designed to protect the state-run airlines from competition for over three decades, accounting for about 85% of the over 200 flight frequencies then operated. A highly lucrative route for LCCs due to its short distance and heavy traffic as the fourth-busiest in Asia, bringing Singapore Airline's capacity share on the route down to about 46.7%, Malaysia Airlines' down to 25.3%, and increase to 17.3% to the three LCCs now permitted on the route, and the remainder shared by three other airlines as of 22 September 2008. Until 1 December 2008, Singapore Airlines operated six flights per day. Singapore Airlines operated four flights per day plans from 1 December 2008 when the route was completely opened, while its sister airline SilkAir also operated four flights per day. Malaysia Airlines, the main opponent to the liberalisation of the route and deemed to be the party that stands to lose the most, continued to codeshare with both Singapore Airlines and SilkAir on the route.
Singapore Airlines operated two of the longest flights in the world, both nonstop flights from Singapore to Los Angeles and Newark with Airbus A340-500 aircraft. All A340-500s were phased out in 2013 and nonstop flights to both destinations were terminated. Nonstop service to Los Angeles was terminated on 20 October 2013 (the airline continues to serve Los Angeles from Singapore via Tokyo-Narita), and the nonstop service to Newark was terminated on 23 November 2013 in favour of a Singapore-New York JFK route via Frankfurt.
From 23 October 2016, Singapore Airlines resumed non-stop flights from Singapore to the United States, beginning with San Francisco. The route is flown by the A350-900 aircraft and includes Business, Premium Economy, and Economy classes. This was followed by the resumption of non-stop flights to Newark and Los Angeles from 11 October 2018 and 2 November 2018, respectively, with the delivery of the Airbus A350-900ULRs, allowing the airline to operate two of the world's longest non-stop flights again.
World's longest non-stop scheduled flight routes
On 14 October 2015, Singapore Airlines announced plans to resume the world's longest non-stop flight between Singapore and New York – a 15,300 km (9,500 mi), 19-hour route that the airline had dropped in 2013. A340-500 aircraft were formerly employed to serve this route until their retirement in 2013.
SIA resumed the route following the acquisition of new Airbus A350-900ULR aircraft on 18 October 2018. At the time, Singapore Airlines Flights 21 and 22 was the longest scheduled route in the world. It was suspended again in March 2020 due to the COVID-19 pandemic, and resumed in March 2022.
On 9 November 2020, SIA relaunched the nonstop flights between Changi Airport and New York, but this time to John F. Kennedy International Airport, three times a week. The route, Singapore Airlines Flights 23 and 24, is the longest scheduled flight in the world.
Joint ventures
Singapore Airlines have established joint ventures with the following airlines:
Codeshare agreements
Singapore Airlines codeshares with the following airlines:
Interline agreements
Singapore Airlines interlines with the following airlines:
In-Town Check-In Services
Singapore Airlines passengers departing from Hong Kong and arriving in Singapore as the final destination are allowed to use the in-town check-in service at either Hong Kong Station or Kowloon Station. This includes receiving boarding passes, and checking in luggage from 24 hours to 90 mins before departure. This allows travellers to spend time in the city without having to carry their luggage before travelling to the airport bags-free. Each train has a special baggage container car and the checked baggage is scanned in bulk by a mechanised automatic explosive detection system. Upon reaching the airport, baggage is automatically transferred from the airport express to the traveller's flight.
Fleet
Singapore Airlines historically operated an almost entirely widebody fleet. Following its merger with SilkAir, it reintroduced the Boeing 737 to mainline service in March 2021. The airline also operates Boeing 747-400F and Boeing 777F freighters. As of September 2025, there were 163 aircraft registered in the Singapore Airlines fleet, comprising 151 passenger aircraft and 12 freighters.
Services
Cabins
Singapore Airlines offers five classes of service – Suites, first class, business class, premium economy class, and economy class. Major upgrades to its cabin and in-flight service were announced on 17 October 2006, constituting the first major overhaul in over eight years and costing the airline approximately S$570 million. Initially planned for the Airbus A380-800's introduction into service in 2006, and subsequently on the Boeing 777-300ER, the postponement of the first A380-800 delivery meant it had to be introduced with the launch of the first Boeing 777-300ER with the airline on 5 December 2006 between Singapore and Paris.
On 9 July 2013, Singapore Airlines, in collaboration with design firms James Park Associates and DesignworksUSA, released new cabin products for the first, business, and economy classes. They debuted on the carrier's new Boeing 777-300ERs delivered from 2013 onwards, with London's Heathrow Airport being their maiden route. The product was later introduced on its Airbus A350s and extended to all its older Boeing 777-300ERs.
On 2 November 2017, Singapore Airlines released new cabin products for the Airbus A380-800. These new changes cost roughly S$1.16 billion and were rolled out in response to growing competition from Middle Eastern carriers such as Emirates, Etihad Airways and Qatar Airways. The seating configuration in the new design consists of 6 suites and 78 business class seats on the upper deck, with 44 Premium Economy Class seats and 3-4-3 Economy Class seats on the lower deck. The new changes were rolled out on the five new Airbus A380 aircraft that were delivered to Singapore Airlines, while the existing A380 fleet had these new products retrofitted until 2020. Sydney was the first city served with the new product on 18 December 2017.
Business class
The current version of the Business Class was unveiled on 9 July 2013 and is available on refitted Boeing B777-300ERs and the Airbus A350-900. Features include a power socket and ports all in one panel, stowage beside the seat, two new seating positions, arranged in a 1-2-1 configuration and an 18-inch in-flight entertainment screen. The seat has a recline of 132 degrees and can be folded into a 78 in (198.1 cm) length bed.
Long haul business class is available on Airbus A380 and refitted Boeing 777-200ER aircraft, where a fully flat bed is available in a 1-2-1 configuration featuring 30 in (76 cm) of seat width. These seats are forward-facing, in contrast to the herring-bone configuration used by several other airlines offering flat beds in business class. The leather seats feature a 15.4 in (39.1 cm) diagonal screen-size personal television, in-seat power supply and two USB ports.
On eight Airbus A380 aircraft, the first of which entered service in October 2011, Singapore Airlines dedicated the entire upper deck to the Business class cabin, unlike the original configuration's upper deck shared by 16 rows of business class and 11 rows of economy at the rear.
Medium and short haul business class layouts are available on Airbus A330-300, Boeing 777-300 and all unrefitted Boeing 777-200 aircraft, configured in 2-2-2 layout and with iPod connectivity, only available in the A330. The Business Class seat is lie-flat at an eight-degree incline, featuring Krisworld on a 15.4-inch (39 cm) screen.
On 28 March 2018, the new regional business class was unveiled following the delivery of the first Boeing 787-10. These new seats manufactured by Stelia Aerospace are arranged in a forward-facing 1-2-1 staggered configuration, providing every passenger direct aisle access. Each seat measures up to 26 in (66.0 cm) in width and can be reclined into a 76-inch (193.0 cm) fully flat bed. There are also adjustable dividers at the centre seats to provide passengers with a "customised level of privacy".
Unveiled on 2 November 2017, the new A380 business-class seats were being progressively rolled out on the Airbus A380-800 fleet. There are 78 Business class seats on the aircraft, offered in a 1-2-1 configuration behind the Singapore Airlines Suites on the upper deck. The seats, designed by JPA Design and upholstered with Poltrona Frau grain leather, can be reclined into a fully flat bed. There are also adjustable dividers between the centre seats that can either be fully raised, half raised or fully lowered. When the centre divider is fully lowered, the pair of centre seats directly behind each bulkhead can form double beds. There is also an 18-inch (46 cm) touchscreen LCD TV and a panel containing power and USB port, as well as an NFC reader for contactless payments.
In November 2024, Singapore Airlines pledged to invest S$1.1 billion ($828 million) to overhaul the seats in its long-haul aircraft, including all-new first- and business-class product.
Economy class
A new seat with slight changes was announced to be retrofitted on Singapore Airlines's A380 and eventually become available on newer versions of their A350 and 787 aircraft. Features include more legroom and back support, a six-way adjustable headrest, and foldable wings. The Economy Class seat also features a more contemporary fabric seat cover design. The screen size remains the same, yet handsets from the previous iteration of seats have been removed.
A redesign of the economy class seat was unveiled on 9 July 2013 alongside new first and business class products. Features include 32-inch (81 cm) of legroom, slimmer seats, an adjustable headrest, and an 11.1-inch (28 cm) touch-screen inflight entertainment system which is also controllable with a video touch-screen handset as well as brand new KrisWorld software. The new seats were originally announced to be available exclusively onboard factory-fresh Airbus A350-900 and refitted Boeing 777-300ER.
The previous generation economy class seats on unrefitted Airbus A380-800, and Airbus A330-300 are 19 in (48 cm) wide, have in-seat power and have a 10.6-inch (27 cm) personal television screen which has a non-intrusive reading light under it, which can be used by folding the screen outwards. These are configured 3-4-3 on the lower deck of the Airbus A380, 3-3-3 on the Boeing 777, and 2-4-2 on the Airbus A330, as well as the upper deck of the Airbus A380. Other features include an independent cup-holder (separate from the fold-out table), a USB port, and a power socket, as well as an iPod port exclusively on board the Airbus A330.
Singapore Airlines introduced a similar design on board the Boeing 777 aircraft through its ongoing cabin retrofit program. The Boeing 777-300 was the first model to undergo refit and had introduced the product on the Singapore–Sydney route on 22 July 2009. They are equipped with slightly smaller 9-inch screens (which are, however, larger than the 6.1-inch VGA screens on unrefitted aircraft) and AVOD in each seat. The seats are installed onboard all B777-200ERs and all but one B777-200.
Catering
Singapore Airlines offers a wide array of food options on each flight. Regional dishes are often served on their respective flights, such as the Kyo-Kaiseki, Shi Quan Shi Mei, and Shahi Thali meals, available for first-class passengers on flights to Japan, China and India, respectively.
SIA has also introduced the Popular Local Fare culinary programme offering local favourites to passengers in all classes flying from selected destinations. The dishes featured in this programme include Singaporean "hawker" fare such as Teochew porridge, bak chor mee, Hainanese chicken rice, and Satay (meat skewers) on certain routes.
They published a cookbook in 2010 titled Above & Beyond: A Collection of Recipes from the Singapore Airlines Culinary Panel.
Passengers in Suites, First and Business class may choose to use the "Book the Cook" service, where specific dishes may be selected in advance from a more extensive menu. Premium Economy class passengers may also choose to use the "Premium Economy Book the Cook". This service is only available on selected flights.
In-flight entertainment
KrisWorld is Singapore Airlines' in-flight entertainment system, introduced in 1997 on Boeing 747-400, Airbus A310-300, Airbus A340-300 and Boeing 777-200 aircraft. KrisWorld overhauled Singapore Airlines' in-flight experience with a new, cheaper entertainment solution that would supersede the primitive Thales entertainment systems on offer at that time by Virgin Atlantic and Emirates.
The original KrisWorld provided 14 movies, 36 television programmes, and five cartoons, as well as many Super NES games, KrisFone and fax, text news and flight path in all classes. The original KrisWorld was subsequently upgraded to feature Wisemen 3000, an audio and video-on-demand version of the KrisWorld system featured exclusively in First and Raffles Class cabins, then progressively introduced into Economy Class in 747 cabins and selected 777 cabins.
In 2002, Singapore Airlines introduced a re-branding of the KrisWorld system. Named Enhanced KrisWorld, it featured additional movies, television programming, music and games, and was installed on Boeing 747-400 and selected Boeing 777-200 aircraft. Connexion by Boeing, an in-flight Internet service, was introduced in 2005. Live television streaming was proposed on Connexion, but this service was discontinued in December 2006. Since October 2005, Singapore Airlines has offered complimentary language lessons by Berlitz. and, starting December 2005, live text-news feeds.
In 2007, a new KrisWorld based on Red Hat Enterprise Linux was introduced, featuring a new interface, additional programming and audio and video on demand as standard. Widescreen personal video systems were installed in all cabins, including 23-inch LCD monitors in First Class, 15-inch monitors in Business Class, and 10.6-inch monitors in Economy Class. The new KrisWorld is available on Airbus A330, Airbus A380 and Boeing 777-300ER. Features include:
Widescreen LCD TV with 1280 × 768 resolution
A range of movies, TV, music, games and interactive programs
Built-in office software, based on the StarOffice Productivity Suite for use with the USB port
In-seat AC power ports
A $400 million new KrisWorld entertainment system was unveiled in 2012. This comes from a major deal with Panasonic Avionics, which will provide the latest Panasonic eX3 systems. The eX3 system features a larger screen with much higher resolution, wide touch-screen controllers, new software, and, above all, in-flight connectivity. Singapore Airlines launched its in-flight connectivity in August 2012. Passengers are now able to make phone calls, send text messages and access the Internet for a fee. The new eX3 systems are unveiled alongside the new cabin product and are available on the Airbus A350-900 and refitted B777-300ER aircraft. In-flight connectivity is offered on the aforementioned two aircraft as well as select Airbus A380s.
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