Originally Posted by
anabolism
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.
IIRC JL 5 is now operated with 351 equipment on most days. That's the new JL seating and my understanding that JL guards 351 flights jealously with respect to both awards and discounts.