Airline

Fuel per block hour

Lost luggage direct versus connect ratio

Nox emissions per 1000 revenue ton miles

Number of involuntary denied boarding per 10,000 passengers.

Number of lost luggage reports per 1,000 passengers

Passenger volume

Percentage of seats utilized (Load factor)

Profit per airplane

Ratio corrective versus preventive maintenance costs per airplane

Ratio corrective versus preventive maintenance time per airplane

Ratio direct versus indirect costs per airplane

Ratio employee costs versus non-employee costs per airplane

Ratio fixed versus variable costs per airplane

Revenue passenger per mile

Revenue per available seat

Revenue per available seat per mile

Revenue seat/passenger-kilometre (RPK)

Revenue tonnekilometre (RTK)

Total noise exceedances per 1000 flight operations

Turnaround time

Vehicle time utilization