According to the laws of aviation, there should be no way a changeling should be able to fly, their wings are too small to get it's horribly not aerodynamic body off the ground, but changelings do it anyway despite what ponies may think. In fact, ponies can fly and their bodies are basically knock-off changeling bodies. Changelings… We aren’t built for being fast. Sure, we can plummet towards the ground, or run as fast as an earth pony for about thirty seconds before we fall over. Changeling wings, unlike feathered pegasi wings, were built for endurance rather than speed.