Wuhan Airport closed since 23 January 2020.
Air Canada suspends Beijing and Shanghai routes (29 January - 29 February).
Air France suspends Paris CDG - Beijing Capital, - Shanghai Pudong and - Wuhan routes (30 January - 9 February). Air France followed KLM, announcing that Amsterdam Schiphol - Beijing Capital, - Chengdu, - Hangzhou, - Shanghai Pudong and - Xiamen routes are suspended until 9 February, as AF.
Air KBZ, together with Myanmar National Airlines and Myanmar Airways International suspend their Chinese routes from 1 February.
Air Koryo and Air China suspend Beijing Capital - Pyongyang route.
Air India suspends Mumbai - Delhi - Shanghai (31 January - 14 February), Hong Kong route still operated.
Air Madagascar (including Air Austral codeshare) suspends La Réunion - Antananarivo - Guangzhou (1 February - 1 March).
American Airlines suspends flights from Los Angeles to Beijing Capital and Shanghai Pudong from 9 February until 27 March due to "significative demand decrease". Dallas Fort Worth - Beijing and Shanghai routes still operate.
British Airways was the first European airline to suspend its operations to China, from London Heathrow to Beijing Capital and Shanghai Pudong (29 February - 3 February), bookings unavailable until March, Hong Kong not affected.
Cathay Dragon suspends Hong Kong - Wuhan route until 29 February.
Cathay Pacific will step by step decrease its flights to mainland China, at least the 1/2 of the flights, from 30 January until end March.
Delta Air Lines changes a lot. From 6 February until 30 April, only 21 weekly flights to China (iso 42), Beijing with up to 3 or 4 weekly flights from Detroit and Seattle. Shanghai Pudong will get the same frequency from Atlanta, Detroit, Los Angeles and Seattle.
Egyptair suspends Cairo - Beijing Capital, - Guangzhou, - Hangzhou, and - Hong Kong routes from 1 February.
Finnair will suspend a few flights to China, but still flies to Beijing, Shanghai, Hong Kong and Guangzhou.
Iberia suspends Madrid Barajas - Shanghai Pudong route from 29 January till March.
Lion Air Indonesia suspends all Chinese flights from 29 January, including Changzhou, Changsha, Chengdu, Chongqing, Guangzhou, Hangzhou, Jinan, Nanchang, Shanghai, Shenzhen, Tianjin, Wuhan, Xi'an.
Lufthansa Group (Lufthansa / Swiss / Austrian Airlines) cancel flights to mainland China (29 January - 9 February). Destinations are Nangjing, Beijing, Shanghai, Shenyang and Qingdao. Hong Kong operations not affected.
Indigo suspends Delhi - Chengdu and Bengaluru - Hong Kong (1 February - 20 February), Kolkata - Guangzhou still operated.
SAS suspends flights from Copenhagen to Shanghai Pudong and Beijing Capital from 31 January until 9 February, closes sales until 29 February. Hong Kong route still operates.
SkyUp Airlines suspends to China from 3 February until 28 March.
UIA suspends (immediately?) until 24 February 2020.
United Airlines suspends a few flights to Beijing Capital, Shanghai Pudong and Hong Kong, from 1 to 8 February.
Ural Airlines suspends all European flights (claiming that some Chinese groups use Ural Airlines to Europe), including Larnaca, Bordeaux, Paris CDG, Frankfurt, Munich, Budapest, Rimini, Rome FCO, Venice, London STN.
Virgin Atlantic suspends its flights to Shanghai (2 February - 16 February).
I might have forgotten some...
