No idea how accurate it is but looks good. Some tricks:
On the map you will see all the planes in the air.
To view your region or town, you can zoom in by tapping with your mouse.
Click on an airplane, and on the left screen you will get all the info.
Airline, type, speed, altitude in real time, recalculated every 10
seconds. On some you can also click on â€œview from the cockpit.â€