Availability
In hospitality, availability refers to the state of being unoccupied, i.e., room availability is the number of unbooked rooms that are open for sale during a specific date range for a certain room type.
Together with rates and inventory, availability is a part of dynamic content that properties have to continuously update across distribution channels.
In revenue management, availability is an important metric used to define such key hotel KPIs as occupancy rate, RevPAR, GOPPAR, etc.