Delta and Alaska Airlines are ending their partnership May 1, 2017.

There will be no more codeshares, no more mileage earning on each other’s flights, no more reciprocal elite benefits, and no more redeeming miles on each other’s flights.

There is some grace period if you already booked your flight.

Delta SkyMiles Members will be able to earn and redeem miles on flights operated by Alaska Airlines through April 30, 2017. SkyMiles Medallion Members will continue to receive their benefits when flying with Alaska Airlines through April 30, 2017.

Beginning May 1, 2017, SkyMiles Members will not be able to earn and redeem miles on flights operated by Alaska Airlines unless a ticket was purchased before Dec. 19, 2016. Medallion Benefits will not be available on flights operated by Alaska Airlines.

Or in chart form:

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Bottom Line

Alaska Airlines and Delta are competing more with Alaska merging with Virgin America and Delta beefing up its presence at Alaska’s Seattle hub. That means their partnership has to end, and end it will on April 30, 2017.

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