how much do commercial
aviation pilots use their auto-pilot?

Dunno about commercial pilots (I'm a PP, SEL) but I never use mine. I
don't feel like I'm flying if I don't have my own hand on the yoke, and
that's IFR or VFR.

Jose
--
You can choose whom to befriend, but you cannot choose whom to love.
for Email, make the obvious change in the address.