<xs:attributeGroup name="FlifoLegAttributes">
    <xs:annotation>
        <xs:documentation xml:lang="en"> Provides information for a flight leg.</xs:documentation>
    </xs:annotation>
    <xs:attribute name="FlightNumber" type="FlightNumberType" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en"> The flight number of the flight.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="JourneyDuration" type="xs:duration" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en"> The duration of the flight from departure location to destination  location.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="GroundDuration" type="xs:duration" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en"> The duration of a ground stop.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="AccumulatedDuration" type="xs:duration" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en"> The total duration time of the flight. This is the combination of both JourneyDuration and GroundDuration.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="LegDistance" type="xs:nonNegativeInteger" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">
		Miles aquired per flight segments, usually used for earning of frequent flyer miles.
		</xs:documentation>
        </xs:annotation>
    </xs:attribute>
</xs:attributeGroup>