My six year old's newest obsession is FlightAware.com. The website provides a little picture of the chosen specific airplane (you just plug in airlines & flight number) with its exact location shown on a map plus planned flight path plus flight time countdown. What an amazing way for a child to feel a little more connected to you, even when you are in the sky and unreachable. Plus, it can't hurt the geography education.
My little one is utterly charmed by this one. Enjoy.