Even the Guild Wars 2 Skyscale mount lets you flap in the air in place to avoid mobs. They just give you a meter that limits how high up you can go from the surface you take off from and moving forward with a slight decline keeps the meter full or it depletes if you try to gain height. Once it runs out you glide down.
Their Griffon mount is a bit closer to Dragonriding but even still it controls way better.