According to United's website the SFO-ZRH flight will get in at 10:10AM but is scheduled to depart for SFO before than at 9:50AM. Currently no other United flight to ZRH are on the 787. Maybe IAD-ZRH will go from 767 to 787 since IAD will become a 787 base in late October. It's possible that UA would keep the plane on the ground in ZRH for 24 hours, but I think that is highly unlikely.
Yes IAD-ZRH will see a 787.
Maybe in 2-3 years, but not now.
As of October IAD-ZRH will be downgraded to 767-300 as most of the -400 out of IAD.
Washington Dulles – Amsterdam 767-300ER replaces -400ER
Washington Dulles – Brussels 20DEC17 – 24MAR18 767-300ER replaces -400ER (as well as 777-200ER 08MAR18 – 24MAR18)
Washington Dulles – Geneva 767-300ER replaces -400ER
Washington Dulles – Munich 15FEB18 – 04MAR18 767-300ER replaces 777-200ER (Previous plan: -400ER)Washington Dulles – Zurich 767-300ER replaces -400ER
Washington Dulles – Beijing eff 28OCT17 787-8 replaces 777-200ER, 1 daily
Washington Dulles – London Heathrow eff 28OCT17 UA924/919 787-8 replaces 767-400ER, 1 daily
Washington Dulles – Sao Paulo Guarulhos eff 28OCT17 787-8 replaces 767-400ER, 1 dailyhttp://www.routesonline.com/news/38/air ... f-12aug17/