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March 2, 2024
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We developed the AirInsight Index as a method to study airline operational performance.  The tool has proven useful and generates intriguing looks at the operational performance among US carriers.  Let’s take a look at 737 use among US-based airlines.

The AirInsight Index “ideal” is the zero line.  If the curve goes above zero, the index indicates worsening performance.  Curves below the zero line mean improving performance.  The Index consists of a combination of data, including on-time arrivals and costs.  The charts below are based on thousands of flights for each aircraft and are, in our view, statistically valid.