WhiteTie, an international luxury concierge service now has an exclusive partnership with Northwest Airlines offering WorldPerks members VIP concierge services at a discounted membership rate. The discount WhiteTie memberships vary by the WorldPerks member’s status: Base members price is $549 (retail $799); Silver, $349; Gold, $249 and Platinum WorldPerks members can have WhiteTie membership for $149. All WorldPerks WhiteTie members will earn a 25 percent mileage bonus on all paid fares in P, F, J, C, Z, Y, B and M classes. Four WorldClubs Day Passes are part of the membership as well as the option to opt-in for a six-month WorldPerks Silver Elite membership (of interest to WorldPerks members who are not already elite). WhiteTie offers such benefits as VIP restaurant reservations, hotel room upgrades and welcome amenity, preferred seating at sports and arts events, access to VIP lounges at nightclubs, discounts at luxury retailers, travel insurance and more. For full information, visit http://www.whitetie.com/nwa