Originally Posted by
Artagnan
Yep, Cuba is not specifically banned by MP, AFAIK.
AAdvantage, on the other hand, does not let you accrue or redeem miles on flights to/from Cuba. (Head over to the
AAdvantage Ts&Cs and ctrl+f Cuba for the specific rules.)
UA does however prohibit using GPUs on LH flights to Cuba
*As of March 25, 2013, U.S. law prohibits/restricts travel to destinations within the following countries: Afghanistan, Cuba, Iran, North Korea, Syria and Yemen. Global Premier Upgrades will not be issued for use on Lufthansa-operated flights to destinations within these countries.