It's following the geodesic which is the shortest distance between two points on the surface of a sphere. Get a globe, you'll see it. Flat maps necessarily distort the surface of a sphere so the flight path on the map isn't intuitive.
It's following the geodesic which is the shortest distance between two points on the surface of a sphere. Get a globe, you'll see it. Flat maps necessarily distort the surface of a sphere so the flight path on the map isn't intuitive.