British Airways have a flight logging tool, called My Flightpath, for Executive Club members. This tries to show how many flights you’ve taken, how many miles you’ve flown, how many minutes spent in the air and how many places you’ve visited.
Of course it can only use data from flights associated with your executive club number and at the moment it seems to be missing flights made with One World Partner airlines – even though BA credited the miles and tier points for those flights.
I also notice that it can’t deal with a return flight that, for example, was out to Las Vegas, but back from San Francisco. Still it’s free and a novelty to see some new information about your travels. Just log in to your Executive Club account and click on My Flightpath. Below are some of my own details: