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
It's fun sometimes to have a very old FF number. I'd try to resurrect the account rather than applying for a new DL FF number. DL will probably want your mom to go with the old DL account rather than the old NW account that was probably auto converted into a DL FF number at the end of the merger.