more specifically it appears to be a 787-900 which came online late in 2017. Configuration appears consistent with United Airlines Polaris First Class. Routes for United 787's are as follows:
United Airlines
Denver DEN – LHR London Heathrow (Commenced) Ends 28 October 2018
Denver DEN – NRT Tokyo Narita (Commenced)
Denver DEN – IAD Washington Dulles (Commenced) Ends?
Houston IAH – SYD Sydney (Commenced) (787-9)
Los Angeles LAX – IAH Houston Intercontinental (Commenced) (787-9)
Los Angeles LAX – LHR London Heathrow (Commenced) (787-9)
Los Angeles LAX – MEL Melbourne (Commenced) (787-9)
Los Angeles LAX – NRT Tokyo Narita (Commenced) (787-9)
Los Angeles LAX – PVG Shanghai (Commenced) (787-9)
Los Angeles LAX – SIN Singapore Changi (Commenced) (787-9) Ends 27 October 2018
Los Angeles LAX – SYD Sydney (Commenced)
San Francisco SFO – AMS Amsterdam Schiphol – Starts 30 March 2019
San Francisco SFO – CTU Chengdu (Commenced)
San Francisco SFO – FRA Frankfurt – Resumes 27 October 2018
San Francisco SFO – IAH Houston (Commenced) (787-9)
San Francisco SFO – MUC Munich (Commenced) (-9)
San Francisco SFO – KIX Osaka (Commenced)
San Francisco SFO – PPT Papeete Fa’a’a – Operates 30 October 2018-28 March 2019
San Francisco SFO – CDG Paris Charles de Gaulle – Resumes 27 October 2018
San Francisco SFO – ICN Seoul Incheon (Commenced) (-9)
San Francisco SFO – PVG Shanghai Pu Dong (Commenced)
San Francisco SFO – SIN Singapore (Commenced) (787-9)
San Francisco SFO – SYD Sydney (Commenced)
San Francisco SFO – HND Tokyo Haneda (Commenced) (787-9)
San Francisco SFO – NRT Tokyo Narita – Starts 31 March 2019
San Francisco SFO – ZRH Zurich – Operates 7 June – 26 October 2018
Washington Dulles IAD – PEK Beijing Capital (Commenced)
Washington Dulles IAD – LHR London Heathrow (Commenced)
Washington Dulles IAD – CDG Paris Charles de Gaulle – Resumes 26 October 2018
Washington Dulles IAD – GRU Sao Paulo Guarulhos (Commenced)