This is right. Then "true cost" requires a rabbit hole of business expense write-offs, fixed v. marginal costs, speed, comfort, (sub-)leasing, which airport yo

This is right. Then "true cost" requires a rabbit hole of business expense write-offs, fixed v. marginal costs, speed, comfort, (sub-)leasing, which airport you fly into, O&M strategies, and more. Per the article, your fractional share of a 10M plane with 1M/y of maintenance gets you 100 hr/y.