Jay Honeck wrote:

Well, I'd put the percentage at over 95%, if you exclude Alaska.

Then you and I have extremely different ideas of what constitutes "reliably."
You, apparently, mean that one can fly somewhere and, sooner or later, fly back.
Most people should be able to do that. If, however, they can't count on being
able to come back when they want or need to be back, that's not reliable
transportation. And you can't do that 95% of the time anywhere around here.

George Patterson
Give a person a fish and you feed him for a day; teach a person to
use the Internet and he won't bother you for weeks.