Further, if you're loyal to one particular airline for business travel, it's probably best to get that airline's business card. (rewardexpert.com)
This method works best for those who mostly fly with one particular airline because you will be limited to redeeming your miles for flights only with that airline (and its partners). (creditdonkey.com)
So make sure you plan to fly that particular airline sometime soon. (pointsmilesandmore.com)