The program has changed significantly in recent years - here's how to maximize your benefits.

With an annual companion certificate and credits that can more than offset its annual fee, the Amex Delta Platinum provides a lot of value, except for lounge access.

SkyMiles is the name of the loyalty program operated by Delta Air Lines. By signing up for Delta SkyMiles, you may earn miles to be used for Delta flights, you're entitled to complimentary onboard ...