Glossary of Airline Terminology

Unit Revenue

The average amount of revenue received by an airline per unit of capacity available for sale. Most often used to measure the effectiveness with which revenue-management activity balances price and volume to generate passenger revenue per ASM, known as PRASM (sometimes short-handed as RASM). Some analysts observe passenger unit revenue only; others monitor at total operating unit revenue (TRASM), depending on the purpose of the analysis.

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