Visualization of US Flight Patterns
When I think airplanes and data visualization, I think of Aaron Koblin's Flight Patterns. Aaron uses data from the Federal Aviation Administration to show flights all across the United States, including Hawaii and Alaska. Even without the presence of an actual map, you can see a basic geography and where lots of flights are going and coming from. Flight Patterns is an oldie, but still a goodie. Here's a video:
Speaking of flights, I'm currently waiting for my twice-delayed flight back to Buffalo. Thank goodness for free WiFi. Although it still doesn't make up for the delays. I hereby shake my mental fist of rage at you, Jet Blue.