Originally Posted by
Dr. HFH
I haven't found that to be the case. I book with the RTW desk exclusively, and often have no trouble booking flights showing as little as D3 in EF, although I try to keep towards the higher D class availability flights.
I must pick flights that are more jealously huarded by the operating carrier. For example, JL 5 JFK-HND can be wide open in EF or for a regular booking, but D0 for an RTW, per both JL and AA.