As we write these words, there are 16,412 planes in the air. That's according to FlightRadar24, which tracks every commercial aircraft on the planet and is a wonderful resource for aviation geeks like us. As the image above shows, there are planes flying across most corners of the planet. For jet-free skies, you'll need to head to Siberia, the northernmost reaches of Canada, the Amazon, the Sahara, the Australian Outback, or Madagascar.
But which skies are the most crowded? The number crunchers at FlightRadar24 have revealed all...
FlightRadar24