Passengers registering for promotions with overlapping time periods will only be eligible for the first promotion which they are registered. Travel must occur after registration and be completed no later than July 31, 2001. Passengers must earn WorldPerks credited flight miles on their itinerary to be eligible for the Bonus Miles. Please allow four to six weeks for Bonus Miles to be credited. Northwest Airlines is not responsible for any malfunctions associated with telephone or web registration process that result in late registration or incomplete information.
Additional restrictions apply.