From January 1 through March 31, you'll earn bonus miles when you use your US Airways Dividend Miles® MasterCard® for eligible grocery store purchases, movie theater purchases and utility payments (including electric, gas, water, television and telephone). Just activate this offer by January 20, 2015, and you'll earn 2 bonus miles for every $1 spent on qualified purchases and utility payments that post to your account, up to 2,500 bonus miles.¹