Delta SkyMiles offers a status match challenge as a way to obtain Silver, Gold, or Platinum status (but not Diamond). To complete this challenge you must have an equivalent status with a competing airline and travel a certain amount within 90 days. - To obtain Silver status you must: fly 8,000 Medallion Qualification Miles (MQMs) or 10 Medallion Qualification Segments (MQSs) - To obtain Gold status you must: fly 16,000 MQMs or 20 MQSs - To obtain Platinum status you must: fly 26,000 MQMs or 35 MQSs Further details and an enrollment form are here: http://www.delta.com/contactus/pages/planning_reservations/leisure_travel_program/statusmatch/emailusAction Note: at the time of this report's publication, the Delta web page listed the challenge expiring on June 30, 2013. Delta SkyMiles customer support has indicated that, notwithstanding the web page, the challenge program has been extended through June 30, 2014, with any obtained status lasting through Feb 28, 2015.