FlyerTalk Evangelist
Join Date: Nov 2000
Location: Nashville -Past DL Plat, FO, WN-CP, various hotel programs
Programs: DL-MM, AA, SW w/companion,HiltonDiamond, Hyatt PLat, IHF Plat, Miles and Points Seeker
Posts: 11,073
It is very possible the "not available fare" thing above was from years ago or something. Surely have not seen anyone posting anything about that in the past few years here.
I have seen a number of postings from people with a sold out flight that eventually found an open slot and booked it easily.