CitiBusiness® / AAdvantage® Platinum Select® vs Delta SkyMiles® Blue
Side-by-side comparison
| CitiBusiness® / AAdvantage® Platinum Select® | Delta SkyMiles® Blue | |
|---|---|---|
| Annual fee | $99 | No annual fee |
| Welcome offer | 80,000 miles | 10,000 Bonus Miles |
| Advertising | 1% | 1% |
| Shipping | 1% | 1% |
| Office supplies | 1% | 1% |
| Phone & internet | 2% | 1% |
| Travel | 2% | 1% |
| Everything else | 1% | 1% |
| Est. yearly rewards* | $558 | $474 |
| Points type | Locked to American Airlines AAdvantage | Locked to Delta SkyMiles |
| Network | Mastercard | 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 CitiBusiness® / AAdvantage® Platinum Select® earns about $558 a year in rewards and the Delta SkyMiles® Blue about $474, valuing every point at a flat 1 cent. The CitiBusiness® / AAdvantage® Platinum Select® charges $99, which you clear through its rewards and perks. The Delta SkyMiles® Blue has no annual fee, so its rewards are all profit. The two are close on value, but the Delta SkyMiles® Blue edges ahead by about $15 a year, mostly because it skips the annual fee the other charges. Neither leans on transferable points, so the deciding factors are the welcome offer, the card network, and which everyday perks you will actually use. On the sign-up bonus, the CitiBusiness® / AAdvantage® Platinum Select® currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the CitiBusiness® / AAdvantage® Platinum Select® if your spending leans toward phone & internet, travel.