Originally Posted by
canadiancow
I would also like to point out that AC*G was not allowed to enter the DL lounge in ATL, or the LH F lounge in MUC.
Well, you'd only be able to enter the F lounge if you were flying in F, so isn't *G irrelevant? I believe to enter the LH group F lounges you need to be in F on the LH group as well, which may be the explanation in this case.