United℠ Gateway vs Citi® / AAdvantage® MileUp®
Side-by-side comparison
| United℠ Gateway | Citi® / AAdvantage® MileUp® | |
|---|---|---|
| Annual fee | No annual fee | No annual fee |
| Welcome offer | Up to 40,000 bonus miles | 15,000 American Airlines AAdvantage® miles after $500 in 3 months |
| Dining | 1x | 1x |
| Groceries | 1x | 2x |
| Gas | 2x | 1x |
| Travel | 1x | 1x |
| Streaming | 1x | 1x |
| Everything else | 1x | 1x |
| Est. yearly rewards* | $320 | $352 |
| Points type | Locked to United MileagePlus | Locked to American Airlines AAdvantage |
| Network | Visa | Mastercard |
*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 household spending, the United℠ Gateway earns about $320 a year in rewards and the Citi® / AAdvantage® MileUp® about $352, valuing every point at a flat 1 cent. The United℠ Gateway has no annual fee, so its rewards are all profit. The Citi® / AAdvantage® MileUp® has no annual fee, so its rewards are all profit. Counting rewards and any credits, the Citi® / AAdvantage® MileUp® delivers more total value, about $31 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 United℠ Gateway currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the United℠ Gateway if your spending leans toward gas. Pick the Citi® / AAdvantage® MileUp® if your spending leans toward groceries.