A tailwind is a wind that blows in the direction of travel of an object, while a headwind blows against the direction of travel. A tailwind increases the object's speed and reduces the time required to reach its destination, while a headwind has the opposite effect.

Which direction do you get tailwinds?

The prevailing winds are from west to east for most locations in the United States. Therefore, it is more economical to fly to the east, taking advantage of the prevailing tail winds, for a cheaper and faster flight over a given distance.

Is it faster to fly east or west?

Jet streams are, at their most basic, high-altitude air currents caused by atmospheric heating and the inertia of the earth's rotation—and they're the reason why flights from west to east are faster than the same route traversed in the opposite direction. ...