THE QUICK ANSWER
At a glance
- Start with American and partner flight awards that fit a trip you would otherwise buy; compare the cash component as carefully as the miles.
- A useful starting point is a flexible-date search for Delta flights you would otherwise buy, followed by comparison with eligible partner options.
- An empty direct route is not a promise that a hotel conversion, another airline or a promotional offer will bridge the gap. Check the complete chain, eligibility, fees and loss of flexibility. There is no general ability to exchange unrelated airline currencies or combine them at one checkout.
- Save the ticket issuer, operating airlines, fare or award product, cash total and cancellation deadline with your quote. Refundable miles do not necessarily become bank points again, and returned miles may retain their original expiry date. Paying a change fee does not guarantee replacement award seats.
Start with what each program is designed to do, then test the same journey in both booking systems. An airline logo describes who may operate a flight; the loyalty program names the account and rules used to issue the award.
| What to compare | American AAdvantage | Delta SkyMiles |
|---|---|---|
| Rewards currency | AAdvantage miles | SkyMiles |
| Associated airline | American Airlines | Delta Air Lines |
| Alliance or partner framework | oneworld | SkyTeam |
| When to consider it | Start with American and partner flight awards that fit a trip you would otherwise buy; compare the cash component as carefully as the miles. | A useful starting point is a flexible-date search for Delta flights you would otherwise buy, followed by comparison with eligible partner options. |
| Important limitation | A large mileage balance does not establish elite status or guarantee an upgrade. Check both your reward balance and the separate status tracker. | The fare experience affects earning and flexibility. Compare the exact product instead of treating every economy ticket or every miles-based payment option as equivalent. |
Begin with the program whose available flights and funding route fit your actual trip. A strong starting point is an account you can use today, rather than a low mileage figure from a different date, cabin or passenger count. Compare the alternative before making an irreversible transfer.
If you already hold enough rewards in one account, using them may preserve flexible bank points for a later trip. That does not make a poor routing or a restrictive ticket attractive: compare the complete journey, acceptable cash fare and cancellation rules before deciding.
- American AAdvantage: Travelers with American miles comparing American flights with oneworld and other airline partners.
- Delta SkyMiles: Travelers with SkyMiles who want to compare real award prices and understand Delta's fare restrictions.

The programs have different alliance or partnership frameworks. First compare complete journeys that reach your destination at acceptable times. If you want to compare the same operating flight, check each program’s official partner list independently. Different alliances do not prove either the presence or the absence of a shared bilateral airline partner.
Keep nonstop and connecting options in separate rows. Include airport changes, overnight stops, baggage collection, entry requirements and separately ticketed positioning flights. A missed connection on separate tickets can require a new paid ticket or award, so a lower points total is only one part of the comparison.
Read the following program-specific rules before comparing a headline mileage amount. Own-airline awards, partner awards, cash-and-points products, upgrades and waitlists can be different purchases even when their results appear on the same screen.
American's own flight-award page describes starting values rather than a guaranteed price for every departure. The actual mileage requirement appears during a search. Use adjacent dates to establish whether your preferred flight is unusually expensive, and compare a connection with a nonstop only after accounting for the extra time involved.
For partner trips, read the partner award chart and its route-specific exceptions. Do not infer the price of a complicated routing simply from the two endpoints. American's partner page notes that a one-way journey with two long-haul international flights can require two awards. If the itinerary looks surprising, ask American to explain the award construction before committing miles.
Delta's award calendar lets you compare nearby dates using the current quotes. Search the complete trip for the intended cabin and passenger count, because those choices can change the available offer. Use the displayed award price rather than assuming an old regional mileage example will apply.
Delta also distinguishes the cabin from the fare experience. A lower-priced Basic experience can have different restrictions from another ticket in the same cabin. Delta's current experience comparison page includes award cancellation information. Read that product comparison and the fare rules in your booking before assuming the lowest miles quote includes the flexibility or seat choices you need.
The table uses AwardTool’s tracked U.S. bank-transfer directory, reviewed November 6, 2026. It covers the six listed bank currencies, not every funding option worldwide. A direct transfer relationship is separate from an airline partnership, and your particular card must permit the transfer. Estimated posting times do not reserve seats.
There is no shared direct bank source for this pair in the six-currency directory. Compare the balances and eligible cards you actually hold. A program without a listed route may still have other earning options, but those must be confirmed separately before planning to fund a time-sensitive booking.
An empty direct route is not a promise that a hotel conversion, another airline or a promotional offer will bridge the gap. Check the complete chain, eligibility, fees and loss of flexibility. There is no general ability to exchange unrelated airline currencies or combine them at one checkout.
| Bank currency | American AAdvantage | Delta SkyMiles |
|---|---|---|
| American Express Membership Rewards | No direct transfer in the tracked directory | 1:1 · Instant |
| Bilt Rewards | No direct transfer in the tracked directory | No direct transfer in the tracked directory |
| Capital One Miles | No direct transfer in the tracked directory | No direct transfer in the tracked directory |
| Chase Ultimate Rewards | No direct transfer in the tracked directory | No direct transfer in the tracked directory |
| Citi ThankYou Points | 1:1 · Instant | No direct transfer in the tracked directory |
| Wells Fargo Rewards | No direct transfer in the tracked directory | No direct transfer in the tracked directory |
These are hypothetical quotes, not live prices, published award-chart amounts or guaranteed availability. Assume the same travelers, cabin and acceptable journey, with confirmed seats. If the flights or confirmation status differ, record those differences before doing the arithmetic.
The first quote uses 10,000 fewer reward units but costs US$150 more. That is US$0.015 of extra cash per unit conserved; it is a break-even comparison, not a valuation of either program. With unrelated currencies, also calculate the source bank points needed and the alternatives for each balance. A waitlisted or unconfirmed quote belongs in a separate plan.
For four travelers, these example totals become 240,000 reward units plus US$1,200 and 280,000 reward units plus US$600. Re-run the search for all four travelers: multiplying a one-seat result does not establish that four seats exist at that price. If some seats cost more or require separate reservations, build a new total.
| What to compare | Hypothetical quote | Cash component |
|---|---|---|
| American AAdvantage | 60,000 AAdvantage miles | US$300 |
| Delta SkyMiles | 70,000 SkyMiles | US$150 |
Compare the complete checkout amount in one currency. Taxes, carrier charges, partner-ticket fees, phone fees and optional extras can affect the result. Then read the change and cancellation conditions attached to the exact award product, including the deadline, fee, refund currency and assistance required after travel begins.
Save the ticket issuer, operating airlines, fare or award product, cash total and cancellation deadline with your quote. Refundable miles do not necessarily become bank points again, and returned miles may retain their original expiry date. Paying a change fee does not guarantee replacement award seats.
Compare the complete cash component, especially when choosing among partner airlines. A lower mileage quote can lose its appeal once fees, a positioning flight or an overnight connection are included. Use the cash fare you would realistically purchase as your benchmark; a premium fare you would never buy can exaggerate the apparent savings.
Before paying, read the rules for the exact ticket and note the deadline for cancellation. American's program terms distinguish wholly unused awards from partially used or expired tickets. If you later need help with an AAdvantage-issued partner award, start with American for ticket changes and ask for the partner booking reference when arranging seats with the operating airline.
Delta's official points-conversion page lists American Express Membership Rewards as a transfer route and directs travelers to the relevant country terms. For a U.S. account, use the U.S. issuer's transfer page and review any fee, minimum and processing estimate. A hotel-points conversion is another separate transaction; its rate should not be assumed equivalent to a bank transfer.
Delta's current travel-with-miles page describes no redeposit or change fee for eligible awards originating in the United States and Canada, while excluding Basic experiences. Other origins and restricted fares require their own check. A fee waiver also does not guarantee that a replacement flight costs the same miles. Save the selected conditions and act before the applicable departure deadline if plans change.
A balance with no immediate trip needs its own plan. Activity-based expiry, fixed validity, temporary suspensions, paid extensions and status exemptions are different rules. Check the date shown in the actual account, including what happens after an award is canceled.
Pooling rewards, transferring between members and booking an award for another person are separate permissions. Check nominee eligibility, relationship rules, waiting periods, account control and the conditions for children or infants. A household arrangement in one program does not carry over to the other.
| What to compare | American AAdvantage | Delta SkyMiles |
|---|---|---|
| Reward validity | Miles normally expire after 24 months without qualifying activity. Eligible earning or redemption extends the deadline. Members under 21 with a valid birth date and primary AAdvantage credit cardmembers with an open card account are exempt from this activity requirement. | SkyMiles do not expire under Delta’s mileage-expiration policy. Account suspension and program-rule violations remain separate issues. |
American’s FAQ says that using miles from different AAdvantage accounts requires separate reservations. Two balances that add up to the price of one ticket therefore cannot simply be entered together at checkout. Before paying to move miles, investigate whether one account can cover one traveler and another account can cover a second traveler.
American recommends holding the first reservation, when a hold is offered, while arranging the second. Check the actual hold deadline and confirm the second seat before completing either purchase. For a hypothetical couple with enough miles for one ticket each, search for two seats first, then keep identical flight numbers and local dates on both reservations. Separate bookings also require attention to seat assignments and notifications: changing one itinerary does not automatically change the other.
Delta allows you to issue an award for another person even when you are not traveling. That is often simpler than moving miles into that person's account. Its published member-to-member transfer price is one US cent per mile plus $30 per transaction, before applicable taxes. Moving 20,000 miles would therefore cost $230 before tax under that schedule; issuing an eligible award directly avoids needing that transfer transaction.
TakeOff 15 is a separate benefit for eligible Delta SkyMiles American Express Gold, Platinum and Reserve card products, including their eligible business versions. It reduces the mileage price of eligible Delta flight awards booked through Delta by 15%; partner-operated flights and cash taxes or fees are excluded. Sign in to the linked account and verify the benefit in checkout rather than applying the discount to every result yourself.
Choose where to redeem existing rewards separately from where to credit a future paid flight. A flight normally credits to one eligible frequent-flyer account. Redeemable points, tier credits and qualifying spending can use different calculations, and a transfer of redeemable points is not generally proof of elite qualification.
| What to compare | American AAdvantage | Delta SkyMiles |
|---|---|---|
| Status qualification context | Loyalty Points measure progress toward AAdvantage status and milestone rewards; miles are the balance spent on awards. Eligible base miles generate Loyalty Points, while bonus miles and Buy, Gift or Transfer Miles transactions do not. Check each offer rather than treating the two balances as interchangeable. | Medallion Qualification Dollars, or MQDs, track progress toward Silver, Gold, Platinum and Diamond status. They are separate from spendable SkyMiles. Qualifying travel and eligible card benefits can earn MQDs; transferring a bank-points balance into SkyMiles does not by itself confer Medallion status. |

Work from a trip you would be happy to take. Keep a dated comparison record and an acceptable fallback until your award is issued, so a good search result can become a usable ticket.
Record the complete trip
Write down your origin options, destination, acceptable dates, full passenger count and cabin. Record every flight’s operating airline, airport, connection, local departure time and segment cabin. Keep a cash-fare benchmark with comparable baggage and flexibility.
Confirm in both issuing programs
Reproduce the exact flights in American AAdvantage and Delta SkyMiles where each program can book them. Separate confirmed seats from waitlists, and separate a complete itinerary from independently available legs. If only one account can confirm your trip, compare that result with other available journeys rather than with an unavailable price.
Calculate the funding before transferring
Record the receiving-account balance, shortfall, eligible bank account, ratio, promotion, transfer minimum and increment. Include cash charges separately. Confirm account details and transfer conditions before submitting; a transfer confirmation is not a seat hold or an issued ticket.
Verify the ticket and later servicing
Complete checkout and retrieve the ticket number and operating-airline booking reference. Check passenger names, dates, airports, baggage and cabin on every leg. Save the ticket conditions and the issuing program’s contact route for changes, refunds or disruption.

Common questions
Is American AAdvantage always better than Delta SkyMiles?
No. The useful choice depends on currently confirmed seats, the complete itinerary, your funding route and the ticket conditions. Compare the same travel need instead of applying a universal winner or an old mileage example to every route.
Can I move rewards directly between these programs?
Do not assume a direct exchange. An airline partnership does not itself let members move balances between loyalty accounts. Check an explicitly supported transfer or account-linking facility, if one exists, and verify all identity, eligibility and timing conditions.
Why does one program show seats that the other does not?
Airlines can make different inventory available to their own members and to different partners. Search method, passenger count, cabin and routing rules also matter. Confirm the exact itinerary with the program issuing the ticket; an alliance logo or another search result is not proof of bookable seats.
Should I choose the quote with fewer miles or points?
Compare cash, bank points required, usable existing balances, travel time and cancellation terms as well. Reward units in unrelated programs are not a single interchangeable currency. An attractive quote that cannot be funded or confirmed does not solve the booking need.
Can a family use the same price shown for one passenger?
Only if the issuing program confirms the full party at that total. Search with the actual traveler count, check every segment’s cabin and inspect the rules for children, infants, nominees and household balances. Separate reservations introduce their own servicing and disruption considerations.
Does canceling an award restore the original bank points?
An airline’s refund generally follows the award ticket’s conditions; it does not establish a reverse transfer to the bank. Verify where rewards are redeposited, their validity, refundable cash components and any fee before moving points or canceling.
Are the examples in this guide current award offers?
No. The worked quotes illustrate the comparison method. Program rules and the tracked funding directory have their own review dates; current award prices, seats and the terms shown at checkout still need to be confirmed before booking.
Sources and further reading
Sources reviewed
Sources & further reading
- American: use miles on American flights
- American: partner flight awards
- American: AAdvantage terms
- American: AAdvantage earning, status and expiry FAQ
- American: current airline partner directory
- American: Qatar booking-class earning rules
- American: member status names and boarding benefits
- Delta: Travel with Miles booking and servicing
- Delta: current travel experiences
- Delta: convert partner points to SkyMiles
- Delta: earning miles
- Delta: Medallion overview
- Delta: SkyMiles program rules
- Delta: TakeOff 15 eligibility and exclusions
- Delta: booking for others and mileage-transfer charges
Before you book
Award availability and prices can change. Confirm the exact itinerary, cabin, traveler count, points, and cash total with the loyalty program before transferring points or booking. Search access and limits depend on your plan.
See current plans