American Express® Blue Business Plus vs Delta SkyMiles® Blue
Side-by-side comparison
| American Express® Blue Business Plus | Delta SkyMiles® Blue | |
|---|---|---|
| Annual fee | No annual fee | No annual fee |
| Welcome offer | 15,000 Membership Rewards® Points | 10,000 Bonus Miles |
| Advertising | 2% | 1% |
| Shipping | 2% | 1% |
| Office supplies | 2% | 1% |
| Phone & internet | 2% | 1% |
| Travel | 2% | 1% |
| Everything else | 2% | 1% |
| Est. yearly rewards* | $900 | $474 |
| Points type | Transfers to airlines & hotels | Locked to Delta SkyMiles |
| Network | Amex | Amex |
*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.
The verdict
On a typical year of business spending, the American Express® Blue Business Plus earns about $900 a year in rewards and the Delta SkyMiles® Blue about $474, valuing every point at a flat 1 cent. The American Express® Blue Business Plus has no annual fee, so its rewards are all profit. The Delta SkyMiles® Blue has no annual fee, so its rewards are all profit. Counting rewards and any credits, the American Express® Blue Business Plus delivers more total value, about $426 a year more for a typical spender, mostly because it earns more where you spend most, on everything else and advertising. The bigger difference is the ceiling: the American Express® Blue Business Plus earns points you can move to travel partners for outsized value, while the Delta SkyMiles® Blue stays locked to a single airline or hotel program. Favor the American Express® Blue Business Plus if you will use travel transfers, the Delta SkyMiles® Blue if you want simplicity. On the sign-up bonus, the American Express® Blue Business Plus currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the American Express® Blue Business Plus if your spending leans toward advertising, shipping, office supplies.