Indicates type of stops preferred (Nonstop, Direct, Connection).

Specifies the travel routing preference.

If true, only online connection flights are requested (i.e., same marketing airline).

If true, include connections where one of the enroute stops is the same as the initial board point or the final off point of the flight.

When true, exclude connections that include travel by train for one of the legs.

If true, only non-stop flights are requested.

To specify which types of non-scheduled air service should be included.

Indicates that if connection is chosen, then this attribute defines the maximum number of connections preferred.

If true, include flights that include at least one leg that is ground transportation.

Used to indicate a level of preference for an associated item.

If true, direct and non-stop flights are requested.

Defines preferred flight characteristics to be used in a search.