Aerospace firm Boeing doesn’t expect to reach production of 42 737 MAX jets a month until early 2025, about six months later than originally planned.

Boeing's U.S. West Coast factory workers walked off the job on Friday after overwhelmingly rejecting a contract deal, halting production of the planemaker's strongest-selling model and sending shares down over 2%.

Boeing workers in Washington state and Oregon went on strike Friday, bringing construction of Boeing’s 737 Max planes to a halt. Boeing’s stock prices -- already battered by a chain of events that began when the door to a Boeing jet blew off in midair -- dropped 2.

Boeing's production of its best-selling jets has come to a screeching halt as thousands of workers at its US West Coast factories have gone on strike.