How can the concept of batch-level activites be applied to an airline? More specifically, what are two examples of unit-level activies for JetBlue? What steps has JetBlue taken to manage these unit-level activities more efficiently? How can the concept of batch-level activities be appoied to an airline? What are two examples of batch-level activities for JetBlue? What steps has JetBlue taken to manage these batch-level activities more efficiently