Consider selecting one of the smaller frequent hazard programs with fewer users to reduce competition. The biggest applications in Europe are those associated with Lufthansa, AirFrance-KLM and Uk Airways with literally countless members. US programs are usually massive - the top a few, United, American and Delta probably have well over hundred million members between them! A great option is to join a good Asian based carrier such as Thai Airlines or Cathay Pacific or smaller, versatile programs like Alaska Distance Plan which has many payoff partners.
Uniteds new business course easily puts it in the exact same league as business course on a foreign carrier. Any kind of business or lu