Delta SkyMiles members can earn 250 Medallion Qualification Miles (MQMs) and double miles when staying a minimum of two consecutive nights at Hilton Worldwide hotels through Dec. 15, 2012. Registration is required at http://www.HHonors.com/deltamqm and select Delta as your preferred airline partner. Select fixed miles and in addition to the 250 MQMs, you’ll earn 500 bonus miles (100 bonus miles at Hampton Inn and Homewood Suites). With variable miles, you’ll earn one bonus mile per $1 spent at all Hilton brands (up to a maximum 100 miles with Home2 Suites).