Flight Changi Airport departs from Singapore Changi Airport at 23:55 and arrives at New York John F Kennedy International Airport at 11:15.The flight has a short stop at Frankfurt.
The flighttime is about 0h 20m. The distance travelled ("as the bird flies"): 18872 Km. So the average speed is roughly 56616 Km.
There is an 13 hour time difference between Singapore and New York