At Delta Air Lines, mostly 'no' to labor unions

Unions have lost six organizing drives at Delta since 2000, including two by the Association of Flight Attendants, which is trying again.

YearEmployee groupWorkersUnionYes votes*PercentUnion wins?

2010Simulator technicians91International Assn. of Machinists4347%No

2009Flight dispatchers335Prof. Airline Flight Control Assn.30691%Yes

2009Meteorologists32NWA Meteorologists Association619%No

2008Flight attendants13,379Association of Flight Attendants5,30640%No

2002Flight attendants19,033Association of Flight Attendants5,60929%No

2000Fleet service 9,804Transport Workers Union1,84519%No