So humanized unicorns do magic, this one is pretty logical. When it comes humanized pegasi, there's a larger scale of possibilities; how do
you portray humans with an innate ability to fly. One thing that I personally find disturbing is adding animal features to humans, such as cat ears or wings, especially when they seem slapped on. Same with unicorns, why slap a horn on it when humans have fingers.
So I decided to go with a mix between the innate ability to control wind flow and what humans are good at; technology. So here is Rainbow Dash teaching Scootaloo how to use a hang glider.
Oh yea, and Fluttershy is there also, because pegasus.
Sweetie Belle: First steps
Applebloom: First repair