This is bad.
I rely on Delta to get me to US destinations.
Alaska ending partnership with Delta
Our partnership with Delta is ending on April 30, 2017.
Effective May 1, 2017, Delta will no longer be a Mileage Plan™ partner. Please review the information below for information on earning and redeeming miles on Delta before the partnership ends.
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Mileage Plan members can continue to redeem miles for award travel on Delta Air Lines as long as the bookings occur before April 30, 2017.
Link:
https://www.alaskaair.com/content/mileage-plan/how-to-earn-miles/airline-partners/delta-airlines.aspx?eml=EML-_AH_VX_20161219_1_Enhancements_201612191_Seconda ryM_4_CTA&utm_campaign=20161219&utm_medium=Email&u tm_source=ALASKA
FAQ:
https://blog.alaskaair.com/alaska-ai...delta-changes/