Citi® / AAdvantage® MileUp® vs Delta SkyMiles® Blue
Side-by-side comparison
| Citi® / AAdvantage® MileUp® | Delta SkyMiles® Blue | |
|---|---|---|
| Annual fee | No annual fee | No annual fee |
| Welcome offer | 15,000 American Airlines AAdvantage® miles | 10,000 Bonus Miles |
| Dining | 1x | 2x |
| Groceries | 2x | 1x |
| Gas | 1x | 1x |
| Travel | 1x | 1x |
| Streaming | 1x | 1x |
| Everything else | 1x | 1x |
| Est. yearly rewards* | $352 | $322 |
| 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 August 2026. See your own numbers in the calculator.
Welcome bonus and value over time
| Over time | Citi® / AAdvantage® MileUp® | Delta SkyMiles® Blue |
|---|---|---|
| Welcome bonus | 15,000 American Airlines AAdvantage® miles | 10,000 Bonus Miles |
| To earn it | $500 in 3 months | $1,000 in 6 months |
| Est. first-year value* | $502 | $422 |
| Est. ongoing value / yr* | $352 | $322 |
The Citi® / AAdvantage® MileUp® wins on both fronts: it comes out ahead in year one on the welcome offer and stays ahead every year after. Short term or long, it is the stronger pick on the numbers.
*First-year value counts the welcome bonus, estimated rewards, and annual credits, minus the annual fee; ongoing value is a typical year after. Every point at a flat 1 cent.
Perks, credits, and redemptions
| Perks | Citi® / AAdvantage® MileUp® | Delta SkyMiles® Blue |
|---|---|---|
| Lounge access | None | None |
| Annual credits | None | None |
| Points & redemptions | Locked to a single program | Locked to a single program |
The two are closely matched on perks and redemptions, so the welcome offer and everyday earning above are what should decide it.
Transfer partners and point value
Neither card earns transferable points, so redemptions are cash-back or fixed portal value on both, roughly a cent per point. There is no airline or hotel transfer angle to separate them.
The verdict
On a typical year of household spending, the Citi® / AAdvantage® MileUp® earns about $352 a year in rewards and the Delta SkyMiles® Blue about $322, valuing every point at a flat 1 cent. The Citi® / AAdvantage® MileUp® 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 Citi® / AAdvantage® MileUp® delivers more total value, about $30 a year more for a typical spender, mostly because it earns more where you spend most, on groceries. 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 Citi® / AAdvantage® MileUp® currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the Citi® / AAdvantage® MileUp® if your spending leans toward groceries. Pick the Delta SkyMiles® Blue if your spending leans toward dining.