Keeping track of your trips

How many miles have you flown over the years and how many hours have you spent in the air? What is your most-traveled route? How many times have you circled the Earth or flown the distance to the moon?

Flying today may not be as much fun as it used to be, but many travelers still find it fun to keep track of their flight history. Having such a log can also be practical, in case you need to remember when you were in a certain country, for example. For years, my main frequent-flier account was my only reference to past trips. Airline alliances make it possible to post flights on several carriers to the same account, and being loyal to one alliance pays off in terms of achieving elite status…