Cabin Crew Reveals What Really Happens When Flying

Why do planes fly at 35,000 feet?

Altitudes typically range from 30,000 feet to 40,000 feet. The reason most planes fly at 35,000 feet is for the sake of fuel efficiency; the higher planes fly, the less fuel they burn. The aircraft needs less fuel when the air is thinner.

Advertisement

Next Page →

The More You Know

  • The United States defense budget of $698 billion is more than the next seventeen nations combined.
  • Parts of the Great Wall of China were made with sticky rice.
  • On Mars, sunsets are blue.
  • Armadillos swallow air to become buoyant when they swim.
Next Page →