...Northwest Airlines reduced the markets where it offers the BizFlex pricing. ''We're taking it out of competitors' hubs...Washington and Denver, for example, will not be able to obtain BizFlex fares, said consumer advocate Terry Trippler, an airline...

...travel contracts with Northwest will receive discounts on all business fares -- first class, full coach, and now BizFlex, BizFlex First and ConnectFirst. However, Northwest said corporate discounts on all other fares will be discontinued.

...they don't intend to use that seat, so it can be sold to someone else. The airline will still allow travelers using its BizFlex nonrefundable tickets to miss flights. And Northwest said it won't clamp down on so-called "standby" travel as the other...

...American Trans Air on one-way tickets. The surcharge applies to Northwest's discounted business fares, including its BizFlex fares, and all of its leisure fares, both domestic and international. The increase does not apply to its full coach, business...