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
My guess would be no, but you could try showing your physical GM card to the dragons.
Note that you can only get DL FF credit for codeshares if both the operating and marketing carriers are SkyTeam members.