How to use Delta Companion Certificates to save hundreds of dollars on your next flight with your Plus-One
One of the best perks that comes with certain Delta co-branded credit cards is the companion certificate. We’ll show you how to get the most out of it.
Tomas Kauer 
One of the best perks that comes with certain Delta co-branded credit cards is the companion certificate. We’ll show you how to get the most out of it. Read More
