Citi Strata℠ vs Delta SkyMiles® Blue
Side-by-side comparison
| Citi Strata℠ | Delta SkyMiles® Blue | |
|---|---|---|
| Annual fee | No annual fee | No annual fee |
| Welcome offer | 20,000 ThankYou® Points ($200 value) | 10,000 Bonus Miles |
| Dining | 2x | 2x |
| Groceries | 3x | 1x |
| Gas | 3x | 1x |
| Travel | 1x | 1x |
| Streaming | 3x | 1x |
| Everything else | 1x | 1x |
| Est. yearly rewards* | $511 | $322 |
| Points type | Pools with Citi → transferable | 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 Strata℠ | Delta SkyMiles® Blue |
|---|---|---|
| Welcome bonus | 20,000 ThankYou® Points ($200 value) | 10,000 Bonus Miles |
| To earn it | $1,000 in 3 months | $1,000 in 6 months |
| Est. first-year value* | $711 | $422 |
| Est. ongoing value / yr* | $511 | $322 |
The Citi Strata℠ 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 Strata℠ | Delta SkyMiles® Blue |
|---|---|---|
| Lounge access | None | None |
| Annual credits | None | None |
| Points & redemptions | Transferable (paired with a premium card) | Locked to a single program |
On perks and redemptions, the Citi Strata℠ earns transferable points with a higher redemption ceiling, while the other is capped nearer a flat cent. Weigh those against the fee, since credits and lounge access only count if you will actually use them.
Transfer partners and point value
Only the Citi Strata℠ earns transferable points. Its Citi ThankYou move to American Airlines, Turkish, Avianca, and Air France-KLM, where a point can be worth several cents on a premium-cabin redemption, far above its cash value. The Delta SkyMiles® Blue stays locked to a single airline or hotel program, so its ceiling is nearer a penny per point no matter how you redeem.
The verdict
On a typical year of household spending, the Citi Strata℠ earns about $511 a year in rewards and the Delta SkyMiles® Blue about $322, valuing every point at a flat 1 cent. The Citi Strata℠ 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 Strata℠ delivers more total value, about $190 a year more for a typical spender, mostly because it earns more where you spend most, on groceries and gas. The bigger difference is the ceiling: the Citi Strata℠ 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 Citi Strata℠ if you will use travel transfers, the Delta SkyMiles® Blue if you want simplicity. On the sign-up bonus, the Citi Strata℠ 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 Strata℠ if your spending leans toward groceries, gas, streaming.