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The average length of a major work stoppage beginning in 2005 was 20 days.
The longest work stoppage lasted 96 days and involved Asarco, Inc. and the United Steelworkers of America, Locals 915, 5252, 88601, and 88602, and the International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers, Local 75.
The second longest was the Northwest Airlines, Aircraft Mechanics Fraternal Association work stoppage that lasted 91 days.
The longest work stoppage in effect during 2005 was between Ormet and the United Steel Workers of America, which lasted 251 days in 2005. This work stoppage began in 2004 and does not contribute to the average work stoppage length of 20 days in 2005.
These data are from the BLS Collective Bargaining Agreements Program. Learn more about work stoppages from "Major Work Stoppages in 2005" (PDF) (TXT), news release USDL 06-363. Major work stoppages are defined as strikes or lockouts that idle 1,000 or more workers and last at least one shift.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Duration of major work stoppages beginning in 2005 at https://www.bls.gov/opub/ted/2006/mar/wk1/art04.htm (visited June 02, 2023).