Now that you know some of the conditions to watch out for, here are the most common companion fare discounts of which I'm aware. (travelcodex.com)
I'm doing this first without the companion fare discount code, but I did select an upgrade from the left sidebar. (travelcodex.com)
However, the business card does not receive the $ 100 companion fare discount in future years, and it does not benefit from the discount award tickets. (travelcodex.com)