On the 737 program, Ortberg said production is stabilizing at 42 airplanes per month, with on-time delivery performance improving “threefold” from the prior year and positive customer feedback on quality. He said Boeing plans to use the same monitoring and safety/quality discipline for future rate increases. For production above 47 per month, Boeing intends to add a new “North Line” in Everett, with facility and tooling investments complete and a staffing plan underway.Ortberg said Boeing increased commerci ...