A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 100,399
I think this just means that revenue management doesn't necessarily release every open seat on every flight into WU inventory. It's no different from seeing open FC seats but not getting a free elite upgrade into FC at the DM window.