https://www.alaskaair.com/content/mi...artners-iberia

Flights must fall within the eligible flight number range below, and your flight must be marketed and operated by Iberia or Iberia codeshare flights marketed by Iberia and operated by oneworld member airlines and affiliates. Codeshare flights marketed by Iberia and operated by a carrier that is not a oneworld member airline are not eligible to earn miles. When available, Iberia award flights booked into the fare classes above are not eligible to earn miles, elite-qualifying miles or segments.

No miles and no OW benefits.