lead time

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun idiomatic The amount of time between the initiation of some process and its completion, e.g. the time required to manufacture or procure a product; the time required before something can be provided or delivered.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the time interval between the initiation and the completion of a production process