33,000 Boeing workers have been on strike since September 13.Stephen Brashear/Getty ImagesBoeing workers just rejected a proposal with a 35% wage increase over four years.The strike has halted most of Boeing's manufacturing for over five weeks.Boeing's earnings missed analyst expectations by over 18% amid the ongoing strike.Boeing machinists have rejected a new proposal that included a 35% wage increase over four years, the International Association of Machinists and Aerospace Workers Local 751 said Wednesday.The strike has been going on for five weeks and has halted most of the plane maker's manufacturing.Along with the wage hike, the new proposal raised a signing bonus from $3,000 to $7,000.