[hwbehrens]

On average, it looks like it's about μ=$3,655.91 per flight hour (σ=$2,036.95), with a high correlation with maximum passengers.

Cost per hour, per passenger is μ=$320.28, σ=$67.45, assuming the plane is full.

https://www.aopa.org/news-and-media/all-news/2015/november/1...