Do you want to change or rearrange the order which your reservations are displayed on the itinerary? For example, changing the order of hotel and flight reservations.
The itinerary displays in chronological order based on Check-in and Check-out times.
Therefore, if you need reservations rearranged, the times should be changed.
Did you know you also have a way to hide check-in and check-out times from the client facing itinerary? Check out this article