👉 Why Planes Don’t Fly Straight (The Real Reason)

Added: 2026-05-26

[00:00:00]You think airplanes fly in straight lines across the map, but that's not true. Look at any flight path between two countries. It always bends, sometimes dramatically. On a flat map, that curve looks longer, so it feels wrong. Uh but the map is lying to you.

[00:00:14]Earth is not flat, it's a sphere.

[00:00:15][music] And on a sphere, straight lines don't look straight on a map. The shortest route between two points on a globe is called a great circle path, and it usually appears curved when flattened.

[00:00:25]That's why flights from North America to Asia often go over the Arctic, not because it's longer, but because it's shorter. So, what looks like a detour is actually the most efficient path through a 3D world.