Available Seat Mile ASM Definition & Meaning | Transportation Term | CSIMarket
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Available Seat Mile ASM

Transportation Term

Available Seat Mile (ASM) is a metric used in the transportation industry to measure the capacity of an airline. It is defined as the number of seats available for sale multiplied by the number of miles an aircraft travels. The formula for calculating ASM is:

ASM = Number of available seats x Distance traveled

ASM is a key performance indicator for airlines as it measures the airline*s capacity to generate revenue from passenger transportation. ASM is used in conjunction with Revenue Passenger Mile (RPM), which measures the number of seat miles that are actually flown by paying passengers.

The ratio of RPMs to ASMs is called the Load Factor and is a measure of how efficiently an airline is using its capacity. The higher the Load Factor, the better an airline*s profitability.

ASM is used to assess airline market share, competition, and demand. It also helps airlines to determine pricing and route decisions.

ASM is not only used in the airline industry but also in other modes of transportation such as buses, trains, and ships to measure capacity and usage.




Airline Industry

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