Here is an update to our US On-Time model.  Select the city on the list and the model updates immediately.  For simplicity, we show the major cities.  The observant will notice the strange change in numbers from 2017 (lots of variance) to 2018 and 2019 (very little variance) and big improvements.   Are pilots gaming the system?  Could they be playing with the moment brakes are “off” and the clock starts?  It looks suspiciously like that to us, too.

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Co-Founder AirInsight. My previous life includes stints at Shell South Africa, CIC Research, and PA Consulting. Got bitten by the aviation bug and ended up an Avgeek. Then the data bug got me, making me a curious Avgeek seeking data-driven logic. Also, I appreciate conversations with smart people from whom I learn so much. Summary: I am very fortunate to work with and converse with great people.

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