But one aspect of corporate jet travel can be measured: safety.
It provides private jet travel from Malaysia to anywhere in the world.
But add jet travel - a short cut - and the world becomes smaller.
That was less than half the cost of his jet travel in each of the three previous years.
I mean, when you think about it, jet travel is pretty freaking remarkable.
Sununu had paid the government only $892 for his more than $615,000 worth of military jet travel.
Extensive jet travel could help a disease spread much more quickly now.
The night hadn't lasted more than a few hours, jet travel being what it is.
Now, in the age of jet travel, the world is local.
Corporate jet travel is an especially delicate topic in Washington.