How far in advance do Marriott hotels generally prepare?

Marriott Hotels generally prepare three days in advance.

JW Marriott hotels are located throughout North America, the Caribbean and Latin America, Europe, Asia, the Middle East and Africa. Each hotel is unique, simple and elegant, quiet and luxurious. In Marriott's most simple, elegant and magnificent brand hotels, small details create extraordinary experiences. JW Marriott luxury hotels and resorts are warm and elegant, offering comfortable luxury and unparalleled personal service, truly suitable for both business and leisure.