SW Airlines Is the Most Profitable Airline in the Industry.

They know exactly how many customers it takes to pay for the fuel for each flight, how many seats it takes to pay for the flight, how many to pay for the gate, and exactly what the cost per air mile per seat is.  This benchmark let's them know immediately if they are getting better or losing money on a flight.

This benchmark is exactly what the Revenue Per Up does for you.  There are only two ways to improve the RPU and that is to improve the closing ratios or the average sale ratios.