<<<<Basically, you incur the hub penalty. Travel to/from EWR/CLE/IAH/DTW/MSP/MEM/AMS only get the 5% discount, while travel to/from other cities get the 15% discount.>>>>

Sorry I don't get it...if I'm flying from IND to BRU, why would I get a hub penalty? I can never fly anywhere on NW without visiting a hub. I thought the 5% was for itineraries originating or terminating in a hub...like IND to AMS, not IND to BRU.

Thanks,
Jack