Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Flying Animation Pack Free.
Flying Animation Pack v1.1
Save time and money on animation for your superhero characters, jet pack characters, and other fantastic characters who can fly in your game! This animation pack contains the basic floating/flying animations for a humanoid character. With this deal, you’ll get more than 20 aerial/combat animations to give to your game characters. The animations are also rigged with HumanIK, so you’ll be able to use Generic or Humanoid animation type.
What this package contains: +20 animations -Idle animations -Movement animations -Damage animations -Animation type can be Generic or Humanoid
You can also suggest any animations you would like to see in future updates! Save time on animation now!