The connection sounded as if we were using two tin cans and several miles of string.

A similar system is used several miles to the south at the Steamboat Springs.

Family members with different last names using frequent-flier miles can cause an airline to issue one.

"In this country, from everything I've seen, you use miles per hour or knots for your speeds, right?"

Several readers have also asked about using miles for upgrades.

We've just gone for the second time in a year and a half to South Africa, using miles.

So it is wise never to count on being able to use miles on short notice.

With some airlines, certain discount coach fares cannot be upgraded using miles at all.

Milewise.com does the same thing and uses an algorithm to recommend whether to purchase your next flight using miles or cash.