Delta SkyMiles and Northwest WorldPerks are also offering bonus elite-qualifying miles and unlike the other airlines’ offers, Delta is offering up to triple miles on select fares booked and flown through June 15, 2009.
SkyMiles and WorldPerks members can earn triple elite-qualifying miles on first, business and premium coach fares. Discounted coach fares will earn double EQMs and no bonus EQMs will be given for deeply discounted coach fares. Registration is required at either http://www.delta.com/elite or http://www.nwa.com/offers/triple — Qualifying flights include any Delta, Northwest, Mesaba, Pinnacle, Compass or Delta Connection flight.