Originally Posted by
JDiver
It's really difficult to comment, given you haven't provided any dates, etc. But RM affects all of that, so how many C seats might exist would depend on seasonality, day of week, others grabbing them up - whether using VIPs or miles + copay.
So dates doesn't really matter. I searched EF for "C" upgrades from November 1 2008 though the end of the schedule. I saw zero "C" fares from any hub to NRT.