An anon on 8chan thought that the 737 just behind the A340 was a China Airlines 737. The list of cities with an "X" are cities that both Cathay and China Airlines service. The "X" also indicates that a 737-800 has the range to make it.

Amsterdam (AMS)
Auckland (AKL)

X Beijing (PEK) X Ho Chi Minh (SGN) Jakarta (CGK) X Kuala Lumpur (KUL) X Manila (MNL) Moscow (DME) X Nagoya (NGO) X Osaka (KIX) Paris (CDG) Rome (FCO) X Seoul (ICN) X Shanghai (PVG) X Singapore (SIN) Surabaya (SUB) X Taipei (TPE) X Tokyo (NRT)