Originally Posted by CALfly5

And just a tip for you: don't bother trying to earn Silver on CO. Its almost totally worthless. You've gotta be Gold to get any of the Elite benefits CO touts. Silver Elite on CO is analagous to the advertised 25,000 mile domestic free ticket: yes, that award is offered in theory, but NO, you'll never actually get one in the real world. Silver can be attained, for sure; but no - you'll never get an upgrade.