The Route Details dialog, gives you the chance to set the labeling and color options for the routes displayed on your map.
To change the labeling options:
Select the label font by pressing the "Font" button.
Select from the list how each point in your flights should be labeled. You can label each point with either the Airport ID, City Name, Airport Name or with no label.
TIP: Choose None when displaying a large number of flights to keep the map from becomming cluttered.
To change the route line options:
Select the route line color by pressing the "Color" button.
Set the line width as desired.
To skip drawing the route lines
Press the Cancel button. No lines are drawn on the map.