LINK. Participating Airlines: Alaska Airlines, includes travel on American Airlines codeshare flights operated by Alaska Airlines (booked under the AA flight number) Award: Double Miles Offer: Earn double AAdvantage® miles for travel on the following select nonstop flights on Alaska Airlines: Burbank, CA - Portland, OR Honolulu, HI - Oakland, CA Honolulu, HI - San Jose, CA Kansas City, MO - Seattle, WA Los Angeles, CA - Mammoth Lakes, CA Oakland, CA - Portland, OR Ontario, CA - Portland, OR Portland, OR - San Francisco, CA Offer Dates: Travel between April 16, 2012 and June 30, 2012 Promotion Code: ASD12 Register today by selecting the red REGISTER button below Terms and Conditions: AAdvantage double mile offer is valid on Alaska Airlines operated and/or marketed flights for nonstop travel between Portland, OR and Burbank, CA, Oakland, CA, Ontario, CA, or San Francisco, CA; between Honolulu, HI and San Jose, CA or Oakland, CA; between Kansas City, MO and Seattle, WA; between Los Angeles, CA and Mammoth Lakes, CA; April 16, 2012, through June 30, 2012. Travel on codeshare flights marketed by American Airlines and operated by Alaska Airlines are also eligible (booked under the AA flight number). Offer applies only to AAdvantage members who purchase and fly on eligible published fare tickets. Bonus miles do not count toward elite-status qualification or Million Miler status. Double miles will be calculated at 100% of the base miles earned. Registration prior to travel is required.