Special Alert! Don't ever create a "saved itinerary" for Northwest Airlines that allows you to save a flight for possible future booking. I did this and after 90 days, when I had long forgot about the "saved itinerary, " Northwest automatically booked the ticket without my approval and charged my account. When I tried to get a refund or even a credit, I was denied -- even though I never agreed to purchase the ticket, never clicked the "purchase" key and wasn't even near my computer the day the ticket wa... read full review »