En route(adverb)
(During the course of a journey;) रास्ते में/के दौरान
Synonyms: On The Way, In Transit, On The Journey, During The Journey, En Voyage
Example: En route to the Delhi, we stopped at the restaurant for a quick bit of refreshment.
Trick to remember: Root se nikal dete hai jo inke en route me aa jate hai 
