Delta & Starbucks have a new partnership where you can earn Delta miles with Starbucks purchase and there’s a new bonus for lining for a limited time. You can earn 150 Starbucks Stars and 500 Delta miles when you link before December 31, 2022. The 500 miles seam to be posting right away while the 150 Starbucks stars will post after your a Starbucks purchase.
This new partnership allows you to earn double Starbucks Stars on Delta travel days and 1 Delta mile per $1 spent at Starbucks.