The United Club℠ Infinite Card is the best card for Delta Airlines — it earns 5x (6.5% return) and 5x on United Purchases.
Updated July 2026
Best Credit Card for Delta Airlines
Compare the top credit cards to maximize your rewards every time you shop at Delta Airlines.
Choosing the right card for Delta Airlines can meaningfully boost your overall rewards return. The difference between a 1x flat card and the best card for this category can add up to hundreds of dollars in extra rewards per year on regular spending.
How CardCurator ranks this merchant
These rankings use current earn rates, annual fee drag, reward value, and merchant-category fit. They are based on live card data, not a fixed sponsored list.
Top Pick
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Portal-Only Travel Options
These rates only apply when you book through the issuer or partner portal, not when you pay Delta Airlines directly.
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U.S. Bank FlexPerksU.S. Bank Altitude Reserve Visa Infinite5xpts/dollar5.0%return5x on Flights (Travel Center) (travel portal only)
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Rewards Calculator
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Quick summary
A short version of the recommendation with the main numbers and tradeoffs.
At Delta Airlines, United Club℠ Infinite Card is currently our top overall pick at 5x, which works out to about 6.5% back based on CardCurator's current point valuations. 5x on United Purchases. On $500/month of spend, the top card is worth about $390/year before signup bonuses or statement credits. Summary generated July 8, 2026. Source: https://cardcurator.ai/merchant/delta-airlines
- United Club℠ Infinite Card: 5x and 6.5% effective return.
- At $500/month, that's about $390/year in rewards value before bonuses.
- No separate no-annual-fee fallback currently ranks near the top.
- Methodology uses live earn rates, annual fees, and current point valuations.
Common Questions
What is the best credit card to use at Delta Airlines?
The United Club℠ Infinite Card is currently the top pick at Delta Airlines, earning 5x points per dollar — an effective 6.5% return. 5x on United Purchases
How many points do I earn at Delta Airlines per dollar spent?
Top cards earn between 4x and 5x at Delta Airlines. Leading options include: United Club℠ Infinite Card (5x), AAdvantage Executive World Elite Mastercard (4x), Southwest Priority (4x).
Does Delta Airlines count as delta for credit card rewards?
Delta Airlines typically falls under the Delta category for credit card reward purposes. Cards with a delta spending bonus will earn an elevated rate here. Choosing the right card for Delta Airlines can meaningfully boost your overall rewards return. The difference between a 1x flat card and the best card for this category can add up to hundreds of dollars in extra rewards per year on regular spending.
Is a premium card worth the annual fee for Delta Airlines spending?
The United Club℠ Infinite Card ($695/yr) earns 5x at Delta Airlines. If you spend $891/month or more there, the category rewards alone offset the annual fee — before counting travel credits and other perks that often exceed $500 in value on premium cards.
Which card earns the most if I spend $500 per month at Delta Airlines?
United Club℠ Infinite Card: $390/yr, AAdvantage Executive World Elite Mastercard: $360/yr, Southwest Priority: $336/yr. The United Club℠ Infinite Card earns the most at $500/month.
Need a situation-specific recommendation?
Merchant rankings are a good starting point, but the best card can change if you care more about international use, business spending, or lower-friction approval.