Join Date: May 1998
Location: Highland PArk,IL,USA -- AA Lifetime Platinum, IHG Plat, UA Silver, Hilton Gold, Radisson Gold, Marriott Lifetime Titanium
Posts: 2,367
I always thought on AA that "B" fare was a corporate negotiated fare when being used against the full "Y" fare. All other fares that received a discount kept their same letter. Only the "Y" fare changed to "B" when applying a Corp. Disc.