Commercial planes fill the skies carrying passengers and cargo. How fast do they typically fly, and what are the maximum ...

Let’s take a look at the skies and see just how high airplanes fly. For most commercial flights, the sweet spot lies between 30,000 and 40,000 feet (12.19 km) above sea level, with 35,000 feet ...

Why Planes Fly at High Altitudes Flying at higher altitudes ... Even though the planes thrive in thinner air, the human body does not, so cabins are pressurized to a more comfortable level for ...

Source: Jim Gregory, Professor of Mechanical & Aerospace Engineering at Ohio State University Footage courtesy: Stefano Ciciarello How do massive airplanes fly ... an area of high air pressure ...

Issue 2: Less oxygen means less combustible fuel to power the engine. So how high can planes actually fly? Commercial airliners generally don't surpass 45,000 feet. But some pilots have pushed ...