Register prior to travel but no later than July 15, 2006. Travel must be roundtrip on a Northwest Airlines paid, published fare in either World Business Class (WBC) or select coach classes.
To register, enter your WorldPerks account number, then click 'Continue'.
WorldPerks Number:
Example Miami – Beijing
To earn Bonus Miles:
Terms and Conditions
Reference Code: GNWP BONUSBEIJING