Singapore, daily operated on B773 by Singapore Airlines
NY Newark, daily operated on B757 by Continental Airlines
NY JFK, daily operated on B767 by Delta Airlines
Atlanta, operated by Delta Airlines, not sure about type and frecuency
NY JFK operated by American, most likely daily on a B767 but not sure.
thats not all for sure, but I´m not sure about the flights to South America, guess that Avianca flies to Bogota with 767 but dont know the frequenccy.
hoped it helped, and if anybody feels like ammend please do so.