American Express Blue Business Cash vs American Express Delta SkyMiles Blue
| Spec | American Express | American Express |
|---|---|---|
| Annual fee | No annual fee | No annual fee |
| Welcome bonus | $250 bonus | 10,000 miles bonus |
| Base rate | 2% | 1x |
| Top earn rates |
|
|
| Foreign tx fee | 2.7% | None |
| Statement credits | None | None |
| Rewards | Cash back | SkyMiles |