in route vs en route
en route
Definitions
adverb
- on a route to some place
Examples
He nearly knocked over a couple of pop fans en route.
I imagined the Tasmanian tiger stopping here en route from one primeval forest valley to another.
As soon as the Red Sox saw he had neither, they ignored his breaking balls and feasted on his fastballs en route to a 6-4 win on Tuesday night in the Bronx.