The biggest benefit to Spirit is that average daily utilization for its aircraft is 12.6 hours.

FORBES: Spirit Airlines: We Board an A320 in 20 Minutes

Similar Unix installations are quite a bit better, hitting an average of 62% utilization.

FORBES: Taming Datacenter Power Usage

Capacity utilization is already below its average level and many other indicators of economic slack reflect more supply than demand.

FORBES: The Anemic Demand School

Then we look at more nebulous attributes, such as country of registration, past utilization (types of flights, average lengths of flights and frequency of use), corrosion potential based on the region where it was based, importation costs and regulatory compliance, to name a few.

FORBES: What's The Best Jet For You? (Part 3)

Intel's pathbreaking 45-nanometer manufacturing process is yielding at or above all-time record levels, leading to well above average margins in the most recent quarters as capacity utilization gets back to normal.

FORBES: Intelligent Investing

At 76.9%, the most recent capacity utilization rate is well below the long-term average of 80.4%.

FORBES: Obama, GOP All Wet on Job Creation

Industrial production in May was up 4.3% over a year ago, and capacity utilization is at 82%, above the historical average.

FORBES: Magazine Article

Until companies increase their rate of capacity utilization from 77.5% to over the long run average of 80%, they will remain reluctant to hire.

FORBES: Bernanke Jackson Hole Memo: Spur Demand With $1 Trillion Consumer Grant

Average hourly real wages flattened out in an environment of mid-seventies capacity utilization in the country.

FORBES: Magazine Article