Back to crotchrockets question; I'm sure that Salt Lake would be the biggest airport to get into from London, but if it is cheaper to fly into Grand Junction the CoZuvoy could pick you up on our way to Moab (we pass through Grand Junction). AND, I could use a co-pilot!
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
-Douglas Adams, Mostly Harmless