The Collaborative International Dictionary of English v.0.48:

Itinerary \I*tin"er*a*ry\, n.; pl. Itineraries
   ([-i]*t[i^]n"[~e]r*[asl]*r[i^]z). [L. itinerarium: cf. F.
   itin['e]raire. See Itinerary, a.]
   1. An account of travels, or a register of places and
      distances as a guide to travelers; as, the Itinerary of
      Antoninus.
      [1913 Webster]

   2. A detailed plan for a journey, including a list of places
      to be visited, and often other information such as the
      dates, places of residence, and transportation to be used
      during the journey; as, the catacombs aren't on our
      itinerary.
      [PJC]