On Aug 30, 1:24 pm, buttman wrote:

All said and done, the 4 hour flight ended up taking 6 hours to
complete. Thats fairly typical.

Yes, totally! That is a very good description of a CFI's life. The
other problem is when a student schedules you and the airplane for 4pm
and then shows up at 4pm, then grabs the book, drives out the plane,
preflights, orders fuel, etc and 45 minutes later your clock starts.
Most pre-private students go into a rage if you try to charge them
while they preflight and you drink coffee in the office, but the truth
is, you can't do anything else with that time and they booked you.

-Robert