Originally Posted by
Denolloyd
JNB is hot and high. Also, any SIN -DTW/JFK/ATL would more than likely go polar. Not saying these will happen.
SIN-JFK goes almost directly over the North Pole (it leaves SIN on a heading of 358). SIN-ATL/MSP/DTW all go near the North Pole, but on headings of 008-016.
http://www.gcmap.com/mapui?P=sin-dtw...in-msp,sin-jfk