flectra/addons/delivery/views/report_deliveryslip.xml

<flectra>
    <template id="report_delivery_document2" inherit_id="stock.report_delivery_document">
        <xpath expr="//th[@name='td_sched_date_h']" position="after">
            <th t-if="o.picking_type_id.code == 'outgoing' and o.carrier_id"><strong>Carrier</strong></th>
            <th t-if="o.weight"><strong>Weight</strong></th>
            <th t-if="o.carrier_tracking_ref"><strong>Tracking Number</strong></th>
        </xpath>
        <xpath expr="//td[@name='td_sched_date']" position="after">
            <td t-if="o.picking_type_id.code == 'outgoing' and o.carrier_id">
                    <span t-field="o.carrier_id"/>
            </td>
            <td t-if="o.weight">
                <span t-field="o.weight"/>
                <span t-field="o.weight_uom_id"/>
            </td>
            <td t-if="o.carrier_tracking_ref">
                <span t-field="o.carrier_tracking_ref"/>
            </td>
        </xpath>
    </template>
</flectra>