12.27.2004
Need More Miles? SuperSize!
"For $20 you can SuperSize your next paid roundtrip on Northwest AirlinesĀ® , Northwest Airlink, or KLM Royal Dutch Airlines and earn an additional 1,000 Bonus Miles. These Bonus Miles are in addition to the regular credited flight miles you will earn for your paid travel.
Let WorldPerks SuperSize help you earn award travel faster!
* All flight segments within the paid roundtrip must be operated by Northwest, Northwest Airlink or KLM Royal Dutch Airlines to earn the SuperSize mileage credit. "