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How to use the Delta companion certificate from the SkyMiles Platinum and Reserve Amex cards

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This article was last updated Feb 24, 2017, but some terms and conditions may have changed or are no longer available. For the most accurate and up to date information please consult the terms and conditions found on the issuer website.

One great perk of the Platinum Delta SkyMiles® Credit Card* and Delta Reserve® Credit Card from American Express* credit cards from American Express is a free companion certificate each year you renew your card.

The certificate lets you bring along a companion for free (well, almost, you pay some small taxes) on a domestic Delta flight.

There are a few things to be aware of…

  • Domestic means the lower 48 states, so flights to Hawaii and Alaska aren’t possible. But if you are a resident of Hawaii or Alaska you can book from your home state. International destinations aren’t allowed.
  • If there’s a delay or cancellation, you can only be rebooked onto Delta flights. You can’t rebook on United for example.
  • The companion’s ticket will not earn miles, but the primary ticket will earn miles.
  • If you’re a Medallion, you are eligible for complimentary upgrades if you request them.
  • It’s fully transferable, so you can book the tickets for anyone you’d like – no need for the Amex cardholder to be on the trip.

How to book a flight with the companion certificate

Your certificates are stored online on Delta.com, and you can look up your certificates using your SkyMiles number and password.


Once you do that, you’ll see the certificate listed with the expiration date.

Remember, the expiration date is the date you have to complete your entire flight. So take care of the booking well ahead of then. Select the check box next to it and continue to the booking page.


Go ahead and do a flight search like usual. You can only book roundtrip flights with the certificate, so no one way trips are allowed.


Then you’ll see flight options with the price for the eligible fare. If you can’t see anything, check other dates or nearby airports. And make sure you have a 3 night minimum stay and are looking at least 14 days in advance.

The certificate is valid when you book an Economy fare in the L, U, T, X, V fare classes. That means, if some of Delta’s lowest to mid priced fares are available on the dates you’re looking at, you should see availability. The very lowest Basic Economy fares aren’t eligible for the companion certificate.

If you’re using a certificate from the Delta Reserve® Credit Card from American Express*, you can also book First Class fares in the A and I classes, which are among the cheapest First Class fares, and aren’t as widely available as the Economy fares valid with the certificate. You can also book Comfort Plus fares, subject to availability.


Once you select your flights, you’ll see the taxes and fees you’ll have to pay on top of the price of the first ticket. In this case they come out to $28, and you save almost $500 off the total price.


When you enter the passenger names, Passenger 1 will be the passenger who earns SkyMiles, so make sure you put the name and SkyMiles number for the passenger you want to earn miles in that field. The certificate holder doesn’t have to be listed as ‘Passenger 1’ – it can be anyone you’d like.


Questions and Answers

How long is the certificate valid?

The expiration date is usually just over a year after the certificate is deposited into your SkyMiles® account.

What does the expiration date mean?

The expiration is the date your trip must be completed, which means your flight back home must take place by that date. So make your booking well ahead of the expiration.

Can you use the certificate if you cancel your card?

Yes, once the certificate is deposited into your SkyMiles® account, it’s yours to use until the expiration date, regardless of whether you still have your Platinum Delta SkyMiles® Credit Card* and Delta Reserve® Credit Card from American Express*.

Can you get more than one certificate?

Yes, if you hold more than one type of SkyMiles® card, like the Platinum Delta SkyMiles® Credit Card* and Delta Reserve® Credit Card from American Express*, you’ll receive a certificate for each annual fee you pay.

Will you earn miles with the certificate?

Yes, the primary passenger – the one paying the fare – will earn the miles. You can choose who that person is – it doesn’t have the be the person named on the certificate.

Does the cardholder need to be traveling?

No, you can use your certificate for anyone you’d like since it’s fully transferable. The Delta Reserve® Credit Card from American Express* cardholder doesn’t need to be part of the trip at all, which is a nice perk of the certificate.

Can you fly in first class?

Only if you have a certificate issued as a Delta Reserve® Credit Card from American Express* cardholder.

Can you pay for the first ticket with a voucher?

Unfortunately you must pay for the first ticket and the taxes / fees of the companion ticket using your Delta Reserve® Credit Card from American Express*.

*The information related to the Platinum Delta SkyMiles® Credit Card* and Delta Reserve® Credit Card from American Express has been collected by CompareCards and has not been reviewed or provided by the issuer of this card.

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