The Duration of an eagles flight would depend on a number of factors, not least of which would be the species of eagle in question. Being the good patriotic american that I am (and is the one I know the most about) I will assume we are talking about a Bald Eagle. read more
So with the ability to fly, hunt in the air, but with the limiting factor of fatigue I would guess that the longest an eagle can fly without landing is between 2-4 hours perhaps as long as six or seven in an emergency situation. read more
Eagles fly 10,000 to 15,000 feet high at about 65 mph. They can glide for hours without rest on warm updrafts of air. With their acute vision, they are able to spot prey a mile down below. read more