Originally Posted by
SpannerSpinner
Assuming you mean to travel in the next couple of months, it's Northern hemisphere winter, so the sun is south of the equator. You are flying east, roughly 35 degrees north of the equator so the sun will be on your right the entire journey.
I believe the sun would be to the south/right regardless of the time of year. For eastbound, the only exception would be flights to Central/South America that would fly south of 23.5 degrees North. (And maybe MEX for a few days in June)