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: 102,617
UA can put only a few seats into their P inventory and significantly more in Z. It can make sense to sell a few seats more cheaply, even with exactly the same restrictions and fees to change the ticket, etc.