And more flights per day and more routes (debatably a bad thing), so scheduling is a lot easier (for the passenger). Fuel burn per passenger mile has also gone

And more flights per day and more routes (debatably a bad thing), so scheduling is a lot easier (for the passenger). Fuel burn per passenger mile has also gone steadily down. I wonder what’s gotten more efficient: the automobile or the aircraft. At least very few go out of their way to choose unnecessarily large aircraft for their job.