Travel plan (5)
'travel plan' is the definition.
(synonyms)
This is all the clue.
(Other definitions for itinerary that I've seen before include "Plan of a journey, route" , "Planned route" , "Proposed route of travel" , "schedule" , "Planned journey" .)
'travel plan' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for route that I've seen before include "Way, course" , "Course of 7" , "Way travelled" , "' - - 66', Nat Cole song" , "Course to destination" .)