Why 36,000 Feet Is The Optimum Altitude For Airplanes https://cdn1.matadornetwork.com/blogs/1/2024/04/why-do-airplanes-fly-at-36000-feet.jpg' class='webfeedsFeaturedVisual'></figure>Many factors go into this calculation. Many factors go into this calculation. https://matadornetwork.com/read/why-do-airplanes-fly-at-36000-feet/