United Airline flight attendants picketed outside Terminal B at Logan Airport Thursday morning seeking a new contract.United Airlines reached an "industry-leading" tentative labor deal for its 28,000 flight attendants, their union said Friday.The deal includes "40% of total economic improvements" in the first year and retroactive pay, a signing bonus, and quality of life improvements, like better scheduling and on-call time, the Association of Flight Attendants-CWA said.The union did not provide further det ...