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Passenger load factor

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Title: Passenger load factor  
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Subject: Crush load, Alitalia CityLiner, Airline cost glossary, Transport economics, American Airlines Flight 11
Collection: Transport Economics
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Passenger load factor

Passenger load factor, or load factor, measures the capacity utilization of public transport services like airlines, passenger railways, and intercity bus services. It is generally used to assess how efficiently a transport provider "fills seats" and generates fare revenue.

According to the International Air Transport Association, the worldwide load factor for the passenger airline industry during 2013 was 79.5%.[1]


  • Calculation example 1
  • See also 2
  • References 3
  • External links 4

Calculation example

Specifically, the load factor is the dimensionless ratio of passenger-kilometres travelled to seat-kilometres available. For example, say that on a particular day an airline makes 5 scheduled flights, each of which travels 200 kilometers and has 100 seats, and sells 60 tickets for each flight. To calculate its load factor:

\frac{(5\ flights)(200\ km)(60\ passengers)}{(5\ flights)(200\ km)(100\ seats)} = \frac{60,000\ passenger \centerdot km }{100,000\ seat\centerdot km} = 0.6 = 60\%

Thus, during that day the airline flew 60,000 passenger-kilometres and 100,000 seat-kilometres, for an overall load factor of 60% (0.6).

See also


  1. ^ "Passenger Demand Maintains Historic Growth Rates in 2013".  

External links

  • PLF (Passenger Load Factor)
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