Available Seat Miles

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Available Seat Miles

A measure of an airplane's ability to carry passengers. It is calculated by taking the number of seats available on the plane and multiplying by the number of miles the plane flies. Available seat miles are important because they are used to calculate the cost per available seat mile and the revenue per available seat mile, which are both used to help determine an airline's profitability.
References in periodicals archive ?
Operating cost per available seat mile, excluding fuel expense (cents) 4
Information that could be provided includes cost per available seat mile (CASM) excluding fuel and special items, fuel prices and hedging positions, other revenues and estimated interest expense/income.
Operating cost per available seat mile, excluding fuel and lease termination costs, decrease of 6.
Operating cost per available seat mile (CASM), including interest expense but excluding fuel and the goodwill impairment charge increased to 8.
Mainline cost per available seat mile (CASM) at US Airways Group in the fourth quarter was 14.
Information that will be updated includes cost per available seat mile (CASM) excluding fuel and transition expenses, fuel prices and hedging positions, other revenues, estimated interest expense/income and merger related transition expense guidance.
Frontier's mainline cost per available seat mile in August 2008, excluding fuel, dropped by 12.
9%, while operating cost per available seat mile, excluding fuel and special items, increased by 2.
Information that could be updated includes cost per available seat mile (CASM) excluding fuel and transition expenses, fuel prices and hedging positions, other revenues, estimated interest expense/income and merger related transition expense guidance.
Mainline cost per available seat mile for the second quarter 2008 grew by 35.
Mainline cost per available seat mile (CASM), excluding fuel and accounting charges, for the second quarter of 2008 increased by 2.
However, inflationary pressures on the maintenance and airport rents lines will force non-fuel cost per available seat mile (CASM) up by 1% to 2% for the full year.