Right now the Delta Gold and Platinum cards both have limited time offers that expire June 30 (Tuesday).

The Platinum Delta card offers 60,000 bonus SkyMiles and 10,000 MQMs, Delta's status counting miles, after spending $2,000 in the first three months.

The personal and business versions of the Gold Delta card each offer 50,000 bonus SkyMiles after spending $2,000 in the first three months.

Contents of this article:

Offer details
My valuation of the offer
Are you eligible for the bonus?
Best uses of SkyMiles

Offer Details
The Gold cards are the "standard" airline