American Express increased the sign-up bonuses on four of its Delta SkyMiles cards.  These are all limited-time offers that expire on November 8, 2017:

 

The Gold Delta SkyMiles® Credit Card from American Express earns 50,000 Bonus Miles after you spend $2,000 in purchases within the first 3 months and an additional 10,000 bonus miles after you spend an additional $1,000 within your first 6 months. Additionally, earn a $50 statement credit after you make a Delta purchase with your new Card within your first 3 months.

 

The Platinum Delta SkyMiles® Credit Card from American Express now earns 70,000 bonus miles and 10,000 Medallion® Qualification Miles (MQMs) after you spend $3,000 in purchases on your new Card within your first 3 months. In addition, earn a $100 statement credit after you make a Delta purchase with your new Card within your first 3 months.

 

The Gold Delta SkyMiles® Business Credit Card from American Express is similar to the Gold personal card. It also earns 50,000 bonus miles after you spend $2,000 in purchases with your new Card in the 1st 3 months and earns an additional 10,000 bonus miles after you make an additional $1,000 in purchases within your first 6 months. Plus, earn a $50 statement credit after you make a Delta purchase with your new Card within your first 3 months.

 

The Platinum Delta SkyMiles® Business Credit Card from American Express has a different spending threshold than the Platinum personal card. It earns 10,000 Medallion® Qualification Miles (MQMs) and 70,000 bonus miles after you spend $4,000 in purchases on your new Card in your first 3 months. It also earns a $100 statement credit after you make a Delta purchase with your new Card within your first 3 months.

 

You can use our credit cards tool to compare these and other SkyMiles-earning cards.