Originally Posted by
JumboD
It's black, it's gooey and it doesn't correspond with selling out the coach cabin of the aircraft (so in assessing capacity, just look at J/F to know if it's a worthwhile flight to offer).
I don't have any direct evidence, but I am willing to bet this flight does very, very well in the premium cabins.
There are also a good number of Russians willing to pay for whatever is considered the best, and I am willing to bet the flight does well to IAH and onward to SIN.