In an apparent response to the offers by United Airlines for Mileage Plus frequent flier members to earn double elite qualification miles on United Airlines flights and Continental Airlines for OnePass frequent flier members to earn double elite qualification miles on Continental Airlines flights as reported by The Gate, Northwest Airlines and Delta Air Lines are offering a similar promotion with notable differences as compared to the United Airlines and Continental Airlines offers: higher fare classes will count towards the earning of of up to triple Medallion Qualification Miles, or MQMs, for Northwest Airlines and Delta Air Lines flights worldwide…

…but are Northwest WorldPerks and Delta Air Lines SkyMIles members really earning up to triple Medallion Qualification Miles? Please read the How many flights will you book if Delta rolls out a 2X MQM Bonus right now? and Will NW/DL match AA/UA double EQM? threads for details, as well as some controversy and confusion.