Indeed this is really obvious to anyone who regularly travels to California and back to the somewhere on the eastern half of the US (or vice versa). The time it

Indeed this is really obvious to anyone who regularly travels to California and back to the somewhere on the eastern half of the US (or vice versa). The time it takes for the east bound leg is way faster than the west bound leg. Going from San Francisco to Detroit for example is about an hour faster on the east bound direction.