United MileagePlus vs American AAdvantage

Our valuations put American AAdvantage ahead on a pure cents-per-point basis. We value AAdvantage miles at 1.5¢ each, compared to 1.3¢ for United MileagePlus miles. That 0.2¢ gap sounds modest, but across a redemption of 50,000 points, it translates to roughly $100 in additional value on paper. For travelers holding miles in both programs, that spread is worth taking seriously before committing to a transfer or a booking.

United MileagePlus tends to close that gap in specific scenarios. The MileagePlus program sits inside the Star Alliance, which means access to partners like Lufthansa, ANA, Singapore Airlines, and a transfer partner. If your itinerary leans heavily on Star Alliance metal, particularly transatlantic or transpacific routes where those carriers dominate, MileagePlus's 1.3¢ valuation can still represent solid value relative to buying the ticket outright. The program also operates without a fuel surcharge pass-through on United-operated flights, which can make the effective value of a mile meaningfully higher on certain routes when you factor in the cash savings on carrier-imposed fees.

American AAdvantage earns its 1.5¢ valuation in large part because of the Oneworld alliance and, critically, the AAdvantage Web Special Awards sweet spot. Those Web Specials can price as low as 10,000 points for a round-trip, and our tracked redemptions on that sweet spot have come in at roughly 3.5¢ per point, more than double the program's baseline valuation. That is a meaningful outlier in a loyalty landscape where most airline mile redemptions fall well below their headline CPP. AAdvantage's Oneworld footprint also covers British Airways, Cathay Pacific, Japan Airlines, and Qantas, giving it competitive reach across premium cabin products in Asia and Europe.

The binding constraint for both programs, and the point where CPP comparisons have real limits, is award space. Saver-level business and first class availability on partner carriers is capacity-controlled and often scarce. A higher CPP valuation is only realized if the seat you want is actually open. Neither MileagePlus nor AAdvantage can guarantee that the flight you have in mind will be available when you search, and transferring points to either program is a one-way transaction with no reversal. The cheapest published award price is irrelevant if the inventory is not there when you go to book.

Before moving any points, confirm availability on your target route and dates through the relevant airline's search tool or a trusted award-search service. Then weigh which program's partners and pricing actually cover that specific itinerary. Compare the full transfer partner ecosystems for both currencies at /transfer, or read the complete program breakdowns in the United MileagePlus guide and the American AAdvantage guide. Find space first, then transfer.