Have flown China Southern on this route a few times, and this trip in First class was one of the best to date. Skyteam lounge at T4 Heathrow is tired and grubby nowadays, and staff service is almost zero, and cafes in the main terminal are just as nice. Onboard, China Southern Airlines first class cabin on the Boeing 787 is a small with just 4 seats. I was served by very attentive and dedicated cabin staff, whose English skills were actually very good, and they were enthusiastic to interact and chat. The seat was made up to a nice bed with sheet, blankets and extra pillows (plus great pyjamas). I had a good sleep, with the exception that Boeing 787 window tint does not work properly, and sun can stream into the cabin even on max darkness for the window (this is the same for all B787's on different airlines I've flown). The meals served out of London are fabulous, and the best across the China Southern route network - had a dinner after take-off and breakfast before arrival into Guangzhou. IFE is okay, not the best, but much improved on earlier years and quite a few Hollywood / western movies to watch. Flight arrived early, and luckily I had priority lane through immigration as Guangzhou airport was busy and chaos at main immigration counters.
⚑ China Southern Ranking