Join Date: Oct 2004
Location: MUC/LAX/SMV
Programs: LH, UA, BD, AA, NW, FB, NH, AC, Sixt, Hertz, Avis, *W, HH, Marriott, PC, Leaders Club, AMEX
Posts: 12,406
They can leave (and even switch to another alliance), but from what I've read in the LH forum about OS possibly leaving *A to join SkyTeam, it'll cost them dearly.