It evolves into Fletchinder at level 17.
I don't think "Flailing" is a Pokemon. Maybe you're thinking of Fletchling, who evolves at level 17 into Fletchinder.
It evolves into Fletchinder at level 17
This mechanic used to be impossible, but due to the release of Pokemon X and Y, Fletchinder is the only Pokemon with 11 letters.
Fletchinder is #662 in the national pokedex, and it is a Fire-Flying type Pokemon.
Fennekin evolves into Braixen starting at level 16.It will later evolve into Delphox once it reaches level 36.
Quagsire does not evolve in Pokemon X.
The pokemon with the longest name is Fletchinder, which is 11 letters long.
You can evolve Eelektrik by using a thunderstone.
Fletchling evolves into Fletchinder, a Fire/Flying-type Pokemon, at level 17.
In Pokémon X, the lion Pokémon called Litleo will evolve into Pyroar at Level 35.
Lv 20.