The word "onboarding" migrated from aerospace jargon to corporate HR in the 1970s.
Before the 1970s, new employees were simply given a desk and told to figure it out. Formal orientation programs existed in some large corporations and the military, but the concept of a structured transition period for incoming workers had no standard name or methodology.1
The term "onboarding" appears to have migrated into corporate language from aerospace, where "on-board" described the moment an astronaut or pilot entered an operational system. By the late 1970s, management consultants were using it to describe the process of integrating a new hire into an organization.2
Research in organizational socialization, a field pioneered by scholars like John Van Maanen and Edgar Schein at MIT, provided the theoretical basis. Van Maanen and Schein published their influential framework on organizational socialization tactics in 1979, identifying the structured ways organizations shape newcomers into functioning members.3
By the 1990s, onboarding had become an industry. Companies developed multi-week programs with assigned mentors, orientation curricula, and phased performance expectations. The Society for Human Resource Management estimated that effective onboarding could improve new-hire retention by 82 percent and productivity by over 70 percent.4
The underlying assumption is recent. For most of working history, people learned trades through years of apprenticeship, not weeks of orientation. The performance review evaluates what the onboarding process was supposed to produce. Both are inventions of the same system.5