As posted by the Frequent Miler: http://frequentmiler.boardingarea.com/2015/07/01/spg-aadvantage-20-bonus/ From July 1, 2015 through August 7, 2015, American Airlines is offering a 20% transfer bonus on points transferred from SPG to AAdvantage. This bonus is on top of the 5,000 mile bonus SPG gives on a 20,000 point transfer. Here is an example: 20,000 Starpoints = 20,000 AAdvantage miles 5,000 Standard SPG bonus = 5,000 AAdvantage miles AAdvantage 20% mileage bonus = 5,000 AAdvantage miles Total = 30,000 AAdvantage miles Key Terms Bonus miles are posted by AAdvantage within 7 days of the transfer. Bonus miles do not count towards elite status qualification. Member’s account must be in good standing. For more information and the full terms, click here.