Early in the strike, Boeing made what it termed its “best and final” offer. The proposal included pay raises of 30 percent over four years, and angered union leaders because the company announced it to the striking workers through the media and set a short ratification deadline.

Boeing factory workers rejected a new labor contract that would have increased their wages by 35% over four years, exacerbating the aircraft

Machinists on Wednesday rejected Boeing’s latest contract proposal, dashing hopes for an end to the nearly six-week walkout and further complicating the aerospace giant’s path to a more stable future. The vote by members of the International ...