If you have already accepted another mileage offer to switch to Sprint, you can receive only the miles associated with that offer. This 10,000 Bonus Mile offer does not apply to current Sprint Customers enrolled in the Sprint and WorldPerks program. Sprint Customers must remain in good credit standing to receive miles. Northwest Airlines Please allow up to eight weeks for miles to be posted to your WorldPerks account. Northwest may change the WorldPerks program rules, program partners, regulations, benefits, conditions of participation or mileage levels, in whole or in part, at any time with or without notice, even though changes may affect the value of the mileage already accumulated.
Free seats are subject to availability.
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