US Airways Get 2,000 Dividend Miles for Registration, Earn Another 2,000 Miles within 30 Days

“Sign up for Dividend Miles March 9 – 31, 2011, and you’ll get an exclusive bonus — 2,000 miles! Then, book a flight within 30 days of enrolling and get another 2,000 bonus miles (on top of the miles you earn just from flying). So, if you fly roundtrip from Philadelphia to Los Angeles you’ll get over 9,000 miles.”

http://www.usairways.com/en-US/dividendmiles/promotions/social-enrollment.html?c=facebook_promo_21009_03092011