The most common and most likely answer to this crossword clue is the 9 letter word ITINERARY
I've seen this crossword clue in Financial Times
I
T
I
N
E
R
A
R
Y
More clues leading to the result ITINERARY
- I can go wrong without a YMCA travel guide
- Planned route I go around in time
- Unfortunate inertia over railway travel plan
- One can have a long time on railway in planned route
- Home time – one shot to capture route
- Fiddle with air in tyre, of course
- Getting round in time, I examine critically planned route
- Plan for trip, I hear, around popular time
- One can time railway route
- Journey – one touring Iran and Tyre
Buddy explains!

The straight part
We know that "planned route" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case planned route = itinerary.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ITINERARY mean?
ITINERARY noun- A written schedule of activities for a vacation or road trip.
- A route or proposed route of a journey.
- An account or record of a journey.
- A guidebook for travellers.
- Itinerant; travelling from place to place; done on a journey