How to Compare United Miles, American Miles, and Delta SkyMiles
This guide is for travelers who want the best value from their airline miles across United, American, and Delta. If you’re collecting miles, planning to redeem for flights, or choosing a loyalty program, this comparison will clarify which points stretch furthest, which offer fewer restrictions, and when to shift your earning strategy.
Best for International
United MileagePlus
Most Flexible
Delta SkyMiles
Best Premium Awards
American AAdvantage
Mile-for-Mile Value Showdown
United vs. American vs. Delta Miles: Where Do You Actually Win?
Choosing between United, American, and Delta miles isn’t just about who flies out of your home airport. Each program’s points are worth different amounts depending on partners, routes, and restrictions. With airline award charts constantly changing, knowing the quirks helps you squeeze more trips out of your hard-earned points.
Where Each Program Shines for the Right Flyer
United: Alliance Access
Unbeatable route map with Star Alliance partners, including access to Swiss, Lufthansa, ANA, and more—especially for international redemptions.
American: Premium Cabin Sweet Spot
Flagship premium partners (Qatar, JAL) have business class seats at still-reasonable rates if you can find them, especially on Asia routes.
Delta: Everyday Flexibility
Redemptions are easy for most flights, and flash sales can deliver exceptional value, especially on domestic and Caribbean routes.
How to Compare and Choose Your Main Miles Program
Break down decision-making with this step-by-step approach.
Assess Your Travel Patterns
Evaluate which airlines and alliances dominate your home airport.
Consider non-stop options, partner carriers, and frequency of international versus domestic flying.
Evaluate Award Value and Flexibility
Compare how many miles typical routes cost and the flexibility of redemptions.
Check sample bookings on each site for your usual destinations, and note close-in fees or redemption hurdles.
Consider Credit Card Transferability
Determine which programs partner with your main credit card points (Amex, Chase, Citi, Capital One).
United partners with Chase, Delta with Amex, and American mainly with Citi—but transfer policies differ widely.
United vs. American vs. Delta: Side-by-Side
| Feature | United MileagePlus | American AAdvantage / Delta SkyMiles |
|---|---|---|
| Award Chart Availability | No traditional chart, but pricing is visible up front. | American: Mixed, with some hidden partner charts. Delta: No chart or reliable pricing. |
| Partner Redemption Strength | Strong (Star Alliance, open routing, lots of partners). | American: Best for premium partners. Delta: Good but lacks alliance breadth. |
| Close-In Booking Fees | No extra charge for last-minute bookings. | American: Fees for close-in bookings (sometimes). Delta: No fees, but prices often spike. |
| Average Redemption Value | 1.3–1.5¢/mile on long-haul partners. | American: 1.2–1.4¢/mile, best on partners. Delta: 1.0–1.2¢/mile, highly variable. |
| Credit Card Transfer Partners | Chase Ultimate Rewards only. | American: Citi/Barclays, but no major point transfers. Delta: Amex Membership Rewards. |
Each Program at a Glance
Quick strengths and weaknesses for all three.
United MileagePlus
Excellent Star Alliance availability, no close-in fees, decent award search. Downside: dynamic pricing, occasional high award rates.
American AAdvantage
Best premium partner redemptions (like Qatar, Japan Airlines). Often limited saver seat space, especially to Europe.
Delta SkyMiles
Easy to redeem for most flights, lots of flash deals, and no set tables. Downside: opaque pricing and sky-high costs for last-minute or premium cabins.
FAQ
Miles Comparison: FAQs
Which airline miles are best for international business class?
United and American generally offer better partner options and lower award rates than Delta.
Can I transfer Amex Membership Rewards to all three?
Only Delta partners with Amex for 1:1 transfers. United is Chase only; American doesn’t partner with major flexible currencies.
How often do award rates change?
Rates change frequently, often without notice; burn points within a year or two for best value.
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Get set for smoother international journeys with the right miles strategy—and consider Global Entry to speed through airport lines.