The approved contract offer includes a 38% raise over the next four years, a ratification bonus of $12,000 and expanded 401(k) contributions.

Striking machinists accepted a new contract raising wages by 39 percent, but enduring bitterness will complicate Boeing’s efforts to rebuild its battered corporate culture and flawed production process.

Boeing machinists have ended their weeks-long strike, amid signs that the work stoppage had begun denting U.S. jobs numbers — and just a day before the country votes for its next president. After rejecting a previous contract offer,