AA are offering double miles to their AAdvantage members for AA or BA flights in premium cabins.

31 May to 15 July 2013. Pre-Registration required – UK2XM. The web site suggests it is designed for AAdvantage members living in the UK. Details here.

Full Terms and Conditions

*Includes First Class or Business Class fares booked in P, F, A, J, R or D on American Airlines operated flights; First Class or Club World fares booked in F, A, J, C, or D on British Airways operated flights.

Registration prior to travel is required. AAdvantage bonus mile offer is valid on American Airlines or British Airways operated and/or marketed nonstop flights for travel on selected routes from London Heathrow to Atlanta, Boston, Los Angeles, Las Vegas, Miami, Philadelphia, Phoenix and Raleigh/Durham; From Manchester to Chicago and New York; and from Dublin to Chicago, 31 May 2013 to 15 July 2013. Offer applies only to AAdvantage members who are residents of the UK and Ireland who purchase and fly on eligible published-fare tickets. Flights operated by other codeshare partners are not eligible for this promotion. Bonus miles do not count towards elite status qualification or Million Miler status. Double miles will be calculated at 100% of the base miles earned.