As Boeing's Machinists return after eight weeks on strike, experts predict the work stoppage strained finances for the company and region, but likely ended before the cost got prohibitive.

How big were those losses? If we subtract the $3 billion in charges for the 777X and 767 programs from the $4 billion total loss at the commercial airplanes division, this implies the strike cost Boeing $1 billion in Q3 from sales lost during the strike. This further implies that strike-related losses will cost Boeing another $2 billion in Q4.