Non-stop flying from London (UK) to the USA in the summer of 2009:

British Airways
(LHR - London Heathrow)
New York: 11x daily with 777, 747-400, 767 and A318 Elite
Los Angeles: 3x daily 747-400
Boston: 2x daily 747-400 and 1x daily 777
San Francisco: 2x daily 747-400
Miami: 2x daily 747-400
Chicago: 3 x daily 777
Washington: 1x daily 747 and 1x daily 777 to IAD and 1x daily 767 to BWI
Houston: 2x daily 777
Philadelphia: 1x daily 777 and 1x daily 767
Seattle: more than daily 747-400
Phoenix: almost daily 747-400
Atlanta: 1x daily 777
Dallas: 1x daily 777
Denver: 1x daily 777
Tampa: almost daily 777

Virgin Atlantic Airways
(LHR - London Heathrow)
New York (JFK): 3x daily (VS 3, VS 9 and VS 45)
New York (Newark): 2x daily (VS 1 and VS 17)
Los Angeles: 2x daily (VS 7 and VS 23)
Miami: 1x daily (VS 5)
Washington (IAD): 1x daily (VS 21)
San Francisco: 1x daily (VS 19)
Boston: 1x daily (VS 11)
Chicago: Daily – Airbus A340-300 – c/s CO, SQ
(from Gatwick)
Las Vegas: 1x daily (VS 43)
Orlando: 2x daily (VS 15 and Vs 27)

United Airlines
(LHR - London Heathrow)
Washington: 2x daily 777-200 and 2x daily 767-300
Chicago: 3x daily 767-300
San Francisco: 2x daily 777-200
Denver: 1x daily 777-200
Los Angeles: 1x daily 777-200

American Airlines
(LHR - London Heathrow)
Chicago: 4 daily – Boeing 777-200 – c/s LY, MX, GF

Continental airlines
(LHR - London Heathrow)
Houston (IAH): 2x daily 777-200
New York (EWR): 1x daily 777-200

Air New Zealand
(LHR - London Heathrow)
Los Angeles: 1x daily with 747-400 (NZ 1)