The situation in which a departure which was booked full departs with empty seats Seat spoilage is calculated by dividing empty seats by the actual capacity of the carrier
When spoilage occurs, something, usually food, decays or is harmed, so that it is no longer fit to be used. waste resulting from something being spoiled
the act of spoiling something by causing damage to it; "her spoiling my dress was deliberate"
Material spoiled in process of manufacture; waste caused by mistakes; errors in judgment, or faulty processing; deterioration of food by microbiological action