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United Quest vs Delta SkyMiles Platinum: Which Is Better In 2026?
July 1, 2025
Editor's Picks
- The United Quest℠ Card is best for frequent United Airlines flyers who want to earn bonus miles on travel and dining while enjoying premium travel perks.
- The Delta SkyMiles® Platinum American Express Card is great for loyal Delta flyers looking to earn miles on travel, dining, and at U.S. supermarkets, while also benefiting from a valuable annual companion certificate.
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.
United Quest Breakdown
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Delta SkyMiles® Platinum American Express Breakdown
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Delta SkyMiles® Platinum American Express vs United Quest
Categories
Deciding which is better, United Quest or Delta SkyMiles Platinum, often comes down to your specific airline loyalty and travel habits. Both cards are designed for frequent flyers but cater to different airline ecosystems and offer distinct perks.
- United Quest℠ Card: This is a premium, mid-tier choice for frequent United Airlines travelers. It offers robust travel perks and strong earning potential within the MileagePlus program.
- Delta SkyMiles® Platinum American Express Card: This card is built for frequent travelers loyal to Delta. It provides a convenient travel experience with benefits geared toward earning status and rewards within the SkyMiles program.
Redemption
United Quest℠ Card: Rewards are redeemed through the United MileagePlus program, allowing you to use points for award flights on United and its Star Alliance partners, as well as for upgrades and other travel purchases.
Delta SkyMiles® Platinum American Express Card: Miles are redeemed via the Delta SkyMiles program for flights with Delta and its airline partners, upgrades to premium cabins, and other travel experiences like Delta Vacations.
Compare Top Rated Credit Cards with Kudos
If you're looking to simplify the decision-making process, a tool like Kudos can help you compare top-rated cards based on your own spending habits.
- Test Drive Cards: Kudos offers a unique “Test Drive” feature that lets you simulate potential earnings from a new credit card using your actual spending data—all before you apply and without impacting your credit score.
- Personalized Recommendations: The platform analyzes your transaction history to recommend cards that will genuinely maximize your rewards based on where you spend your money.
- Unified Wallet: You can manage all your credit cards in one place, making it easier to track spending, monitor perks, and stay on top of your finances.
- Exclusive Bonuses: Registered users can access special offers, including welcome offer guarantees and additional rewards for shopping at partner stores.
Who Should Choose the United Quest?
The United Quest℠ Card is tailor-made for frequent United Airlines flyers who are invested in the MileagePlus loyalty program.
Who Should Choose the Delta SkyMiles® Platinum American Express?
The Delta SkyMiles® Platinum American Express card is an excellent choice for dedicated Delta loyalists who fly with the airline several times per year.
Alternatives to Consider
If our comparison of the United Quest℠ Card vs. the Delta SkyMiles® Platinum American Express Card has you feeling like neither is the perfect co-pilot for your travel goals, don't worry. There are other excellent travel rewards cards on the market that might be a better fit for your wallet and your wanderlust.
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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.
Tips for Application Success
Before You Apply
- Check your credit score: Most premium travel cards require a good to excellent credit history for approval.
- Plan your spending: Ensure you can naturally meet any spending requirements for welcome offers or annual benefits.
- Review the card’s ecosystem: Co-branded cards offer the most value when you are loyal to that specific airline or hotel partner.
Application Strategy
- Know the issuer’s rules: Be aware of application policies that may affect your eligibility for a new card or its welcome offer.
- Time your application strategically: Align your application with large planned purchases to help meet spending requirements for a welcome offer.
- Look for pre-approval tools: Many card issuers offer tools to see if you’re pre-qualified without impacting your credit score.
Our Methodology
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.
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
Which card is better if I fly with partner airlines?
The United Quest℠ Card is part of the Star Alliance network, while the Delta SkyMiles® Platinum American Express Card is tied to the SkyTeam alliance. Your choice should depend on which airline alliance offers more convenient routes and partners for your travel patterns.
Do either of these cards offer airport lounge access?
The Delta SkyMiles® Platinum American Express Card allows cardholders to pay a per-visit fee to access Delta Sky Clubs when flying with Delta; terms apply. The United Quest℠ Card does not include any lounge access benefits.
Is there a companion ticket benefit with these cards?
Yes, the Delta SkyMiles® Platinum American Express Card offers a Companion Certificate each year upon card renewal, which is valid for one round-trip domestic Main Cabin flight; note that taxes, fees, and terms apply. The United Quest℠ Card does not offer a similar companion ticket benefit.
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Editorial Disclosure: Opinions expressed here are those of Kudos alone, not those of any bank, credit card issuer, hotel, airline, or other entity. This content has not been reviewed, approved or otherwise endorsed by any of the entities included within the post.
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