Details of the agreement were not immediately released. Flight attendants have the right to accept or reject it. The Associated Press left a phone message with Association of Flight Attendants' spokeswoman Carla Rogat seeking comment. Mesaba, a feeder for Northwest Airlines Corp. that serves 88 cities in the U.S. and Canada, has faced pressure to reduce its operating costs. Mesaba is in a bidding war with other regional airlines to secure flying business from Northwest and other airlines. Mesaba filed for bankruptcy protection a year ago after Northwest skipped some payments.