LINK. Dates: 4/11/2013 - 7/15/2013 CODE: AADUS Terms and Conditions: AAdvantage bonus miles offer is valid on American Airlines marketed and operated nonstop flights between Chicago O’Hare (ORD) and Dusseldorf, Germany (DUS) from April 11, 2013, through July 15, 2013. Includes travel on flights marketed by British Airways or Iberia, operated by American Airlines. Each eligible one-way trip flown will receive half the bonus miles shown in the table above. Offer applies only to AAdvantage members who purchase and fly on purchased, published Business Class and Economy Class fare tickets booked in the fares shown in the table above. Bonus miles will be awarded based on booking class purchased and will be posted immediately, for each eligible segment flown. Bonus miles will not count toward elite status qualification or Million Miler status. Registration prior to travel is required.