08-16-2008, 10:48 AM
All depends on winds and directions. If you can get into a jetstream in the right direcvtion it can knock time off. Conversely going against slows you down but that would all depend on whether FS weather programs mimic the jetstream. Jim Skorna is the one to answer that.
Read http://en.wikipedia.org/wiki/Jet_stream for further info.
Read http://en.wikipedia.org/wiki/Jet_stream for further info.