United Explorer vs Delta SkyMiles Gold: Which Is Better In 2025?

Delta SkyMiles® Gold American Express Breakdown

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Why We Like It

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Here’s a quick look at what makes the Delta SkyMiles® Gold American Express Card a popular choice.

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• The card has a $0 introductory annual fee for the first year, then $150 (See Rates & Fees), making it easy to try out its benefits.
• You'll earn 2X miles on Delta purchases, at restaurants worldwide, and at U.S. supermarkets.
• For a family of four, the free checked bag benefit can save you hundreds of dollars on just one roundtrip flight, easily covering the annual fee (publisher-formulated estimate).

_{Terms apply to American Express benefits and offers. Enrollment may be required for select American Express benefits and offers. Visit americanexpress.com to learn more. Eligibility and Benefit level varies by Card. Terms, Conditions, and Limitations Apply. Please visit americanexpress.com/benefitsguide for more details. Underwritten by Amex Assurance Company.}

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Pros

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• First checked bag is free for you and up to eight companions on the same Delta flight reservation.
• Receive a discount on award travel when you use miles to book Delta flights.
• Get statement credits back on eligible in-flight purchases made on Delta flights.

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Cons

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• Lacks premium travel benefits like complimentary lounge access or a companion certificate.
• The rewards earning rate is not as competitive for non-Delta spending.
• Many benefits do not apply to flights on partner airlines.

Delta SkyMiles® Gold American Express vs United Explorer

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Categories

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When choosing an airline co-branded credit card, deciding which is better, United Explorer or Delta SkyMiles Gold, ultimately comes down to your airline loyalty and travel patterns.

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• United℠ Explorer Card is best suited for frequent United Airlines flyers. It offers practical benefits that can enhance the travel experience and offset costs for those who fly with the airline several times a year.
• Delta SkyMiles® Gold American Express Card is the ideal choice for loyal Delta flyers. The card is designed for travelers who want to earn miles on everyday spending and enjoy perks like free checked bags and priority boarding on Delta flights.

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Redemption

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United℠ Explorer Card: MileagePlus miles are redeemable for flights on United and its extensive network of Star Alliance partner airlines. Cardholders can also use miles for other travel-related purchases, including seat upgrades, hotel stays, and car rentals.

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Delta SkyMiles® Gold American Express Card: SkyMiles are primarily used for booking award travel on Delta and its SkyTeam airline partners. Additionally, miles can be applied toward Delta Vacations packages, seat upgrades, and other travel experiences (Terms Apply).

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Travel Perks

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• United℠ Explorer Card: Cardholders can book travel through the United portal and receive two one-time United Club℠ passes each year. The card does not charge foreign transaction fees.
• Delta SkyMiles® Gold American Express Card: This card allows booking through Delta Vacations and provides access to the Delta Sky Club for a fee (Terms Apply). It also comes with no foreign transaction fees.

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Compare Top Rated Credit Cards with Kudos

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To help you decide, you can use a tool like Kudos to compare top-rated cards based on your own spending habits.

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• Test drive credit cards using your real spending data to see personalized earnings projections before you apply.
• Receive a detailed analysis of your approval odds based on your credit report.
• Get a welcome offer guarantee, ensuring that if you find a better offer within three months, Kudos will match it.
• Track your spending, monitor your credit score, and earn extra Kudos Boost rewards when shopping at your favorite stores.

Who Should Choose the United Explorer?

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The United℠ Explorer Card is ideal for frequent United Airlines flyers who want to enhance their travel experience with valuable perks. These cardholders can easily offset the annual fee through benefits like a free first checked bag, priority boarding, and two annual United Club℠ passes. Additionally, travelers who can take advantage of the statement credit for Global Entry or TSA PreCheck® and the lack of foreign transaction fees will find significant value in this travel card.

Who Should Choose the Delta SkyMiles® Gold American Express?

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According to a comprehensive review, the Delta SkyMiles® Gold American Express Card is a strong choice for Delta loyalists who fly several times a year, as the free checked bag benefit can easily offset the annual fee. It also appeals to frequent diners who can earn 2X miles at restaurants and travelers looking to stretch their rewards further with the 15% discount on award flights. Ultimately, this card is designed for casual to semi-frequent Delta flyers who value tangible perks that enhance their travel experience without committing to a premium card's price tag.

_{Terms apply to American Express benefits and offers. Enrollment may be required for select American Express benefits and offers. Visit americanexpress.com to learn more. Eligibility and Benefit level varies by Card. Terms, Conditions, and Limitations Apply. Please visit americanexpress.com/benefitsguide for more details. Underwritten by Amex Assurance Company.}

Alternatives to Consider

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If our United Explorer vs Delta SkyMiles Gold comparison has you feeling like neither card is the perfect co-pilot for your travel goals, don't worry. There are plenty of other travel rewards cards that might be a better fit for your wallet.

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Tips for Application Success

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Before You Apply

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• Check your credit score: Most travel rewards cards require a good to excellent credit history for approval.
• Plan your spending: Ensure you can meet any minimum spending requirement for the welcome offer through your regular purchases.
• Understand the loyalty program: Research how you can redeem miles and what airline partners are available for award travel.

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Application Strategy

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• Know the issuer's rules: Be aware of policies like Chase's 5/24 rule or Amex's welcome offer limits.
• Use the right application channel: Some co-branded cards, like those for United or Delta, may have special offers through the airline's website.
• Time your application wisely: Apply before a large planned purchase to help meet the spending requirement more easily.

Our Methodology

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We evaluate nearly 3,000 credit cards across the U.S. market — far more than the ~150 cards commonly featured on sites that focus only on products tied to affiliate commissions. Our goal is to provide a comprehensive, unbiased view of the credit card landscape so you can make confident, data-driven decisions.

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Our editorial team combines deep industry experience with rigorous verification standards. While our experts surface the most relevant recommendations in our guides, you can also explore the full dataset yourself through our card explorer tool, which includes thousands of cards — more than 95% of which do not provide us with commissions.

Frequently Asked Questions

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What if I'm not loyal to either United or Delta?

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If you don't have a strong airline preference, consider a general travel rewards card instead. These cards offer more flexibility by allowing you to transfer points to various airline and hotel partners.

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Are the annual fees for these cards waived the first year?

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Both the United Explorer Card and the Delta SkyMiles® Gold American Express Card often have their annual fees waived for the first year. However, you should always check the current offer terms before applying.

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Which card is better for checking a bag for free?

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Both cards offer a free checked bag for the primary cardholder and companions on the same reservation. The best choice depends on which airline you fly more frequently, as the benefit only applies to that specific airline.

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_{Terms apply to American Express benefits and offers. Enrollment may be required for select American Express benefits and offers. Visit americanexpress.com to learn more. Eligibility and Benefit level varies by Card. Terms, Conditions, and Limitations Apply. Please visit americanexpress.com/benefitsguide for more details. Underwritten by Amex Assurance Company.}

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