Available Seat Miles


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Related to Available Seat Miles: Rasm

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.
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Revenue per available seat mile (RASM) was positively impacted by an approximate 0.3 percentage points by the hurricanes.
The world's fifth-largest airline estimates that fourth-quarter consolidated passenger revenue per available seat mile increased 4.1 per cent to 4.4 per cent year-over-year, but that boost could not overcome costs per available seat mile.
Third quarter 2016 operating expense per available seat mile (CASM), excluding fuel and oil expense, special items, and profit-sharing expense, is now estimated to increase in the 3.0 percent to 4.0 percent range, as compared with third quarter 2015.
Virgin America estimates its October 2013 passenger revenue per available seat mile (PRASM) to have increased by approximately 4.5%, compared with October 2012.
Horizon Air's revenue passenger miles fell by 17.5% and available seat miles decreased by 17.6% in the last month of 2011 compared to December 2010.
Chicago-based carrier United Airlines (NYSE: UAL) said that its April 2013 consolidated traffic (revenue passenger miles) decreased 3.8% and consolidated capacity (available seat miles) decreased 2.6% versus April 2012.
Revenue passenger miles for Alaska Airlines grew by 7.8% while available seat miles rose by 4.8% in November 2011 compared to the same month in 2010.
Alaska Airlines' revenue passenger miles rose by 6.3% and available seat miles increased by 3.1% in April 2012 compared to the same month of 2011.
Horizon Air reported a 16.6% drop in revenue passenger miles on a 20.1% decrease in available seat miles in September 2011.
Alaska Airlines saw an increase in revenue passenger miles of 4.7% while available seat miles rose by 3.0% in March 2012 compared to the same month of 2012.
Alaska Airlines reported a 7.6% increase in revenue passenger miles on a 5.4% increase in available seat miles. This led to a rise in load factor of 1.8 percentage points to 88.3% in August 2011 compared to 86.5% in the same month of 2010.
Available seat miles for Icelandair grew by 19% in July 2011 which led to a slight drop in load factor of 0.8 percentage points to 85.4% compared to 86.2% in the same month of the previous year.
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