The airline is notable for highlighting the Singapore Girl as its central figure in the corporate branding segment and not significantly changing its livery throughout its history.

SIA Engineering Company handles maintenance, repair and overhaul (MRO) business across nine countries with a portfolio of 27 joint ventures including with Boeing and Rolls-Royce.

[13] On 1 February 2025, Fortune magazine published the annual World’s Most Admired Companies with Singapore Airlines ranked 28th.

[16] Nevertheless, while the government holds a golden share via the country's Ministry of Finance, it stressed its non-interference in the management of the company, a point emphasised by Lee Kuan Yew when he said the Singapore Changi Airport's front-runner status as an aviation hub is more important than SIA.

[21] In November 222, Tata Group reached an agreement with Singapore Airlines which will see Indian full-service carrier Vistara merge with Tata-owned Air India to form a single entity with an expanded network and broader fleet.

[22] In November 2024, Singapore Airlines said it was feeling the impact of the aviation industry’s widespread supply-chain issues, estimating it is likely to have five fewer aircraft than planned by the end of the 2024 fiscal year, with 204 jets in fleet, due to delivery delays.

In particular, the promotion of its female flight attendants known as Singapore Girls has been widely successful and is a common feature in most of the airline's advertisements and publications.

[39] The Singapore Airlines logo is a stylised bird inspired by a keris, a dagger that is a cultural symbol of the region.

After the Asian financial crisis in 1997, Singapore Airlines discontinued its routes to Berlin, Darwin, Cairns, Hangzhou, Kagoshima, and Sendai.

[44] During the SARS outbreak in 2003–04, Singapore Airlines ceased flights to Brussels, Chicago, Las Vegas, Hiroshima, Kaohsiung, Madrid, Mauritius, Shenzhen, Surabaya, and Vienna.

[47] The airline has a key role in the Kangaroo Route, operating flights between Australia and the United Kingdom via Singapore.

[60] Nonstop service to Los Angeles was terminated on 20 October 2013 (the airline continues to serve Los Angeles from Singapore via Tokyo-Narita),[60] and the nonstop service to Newark was terminated on 23 November 2013 in favour of a Singapore-New York JFK route via Frankfurt.

[87][88] 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.

[92] 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.

[93] 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.

[94] These seats are forward-facing, in contrast to the herring-bone configuration used by several other airlines offering flat beds in business class.

[95] The leather seats feature a 15.4 in (39.1 cm) diagonal screen-size personal television, in-seat power supply and two USB ports.

[96] 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.

These new seats manufactured by Stelia Aerospace are arranged in a forward-facing 1-2-1 staggered configuration, providing every passenger direct aisle access.

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.

[103] 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.

[104] 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.

[23] 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.

Singapore Airlines introduced a similar design on board the Boeing 777 aircraft through its ongoing cabin retrofit program.

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.

[109][110][111] 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.

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.

[115] 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.

The eX3 system features a larger screen with much higher resolution, wide touch-screen controllers, new software, and, above all, in-flight connectivity.

[121] On 29 January 2025, SIA was named the top airline, securing the 28th position on Fortune’s list of the world’s most admired companies.