On the way or In the way?
On the way
Exemple : ‘’I am on the way to see you now!’’
The preposition used in front of the phrase "the way" determines the meaning of the phrase as a whole. Using the preposition "on" denotes the act of going somewhere or being on a path to something.
In the way
Exemple : ‘’You are standing in my way!’’
The preposition "in" denotes the fact that something is blocked or obstructed.