systems consistent with the present invention implement provide information regarding savings associated travel alternatives . such systems receive requests from users reflecting travel itineraries , respectively . each itinerary is analyzed to determine a set of alternative itineraries comparable to the travel itinerary specified in the request based on selected rules associated with travel . then a value or cost of the input travel itinerary is determined and a value for each of the alternative itineraries is also calculated . the systems then generate a report reflecting the input travel itinerary specified in the request , each of the alternative itineraries , the value for each travel itinerary , and a difference between the value for the travel itinerary specified in the request and each of the alternative itineraries .