diff --git a/erpnext/selling/report/sales_order_analysis/sales_order_analysis.py b/erpnext/selling/report/sales_order_analysis/sales_order_analysis.py
index 82e5d0c..f1edca4 100644
--- a/erpnext/selling/report/sales_order_analysis/sales_order_analysis.py
+++ b/erpnext/selling/report/sales_order_analysis/sales_order_analysis.py
@@ -61,6 +61,7 @@
 			IF(so.status in ('Completed','To Bill'), 0, (SELECT delay_days)) as delay,
 			soi.qty, soi.delivered_qty,
 			(soi.qty - soi.delivered_qty) AS pending_qty,
+			IF((SELECT pending_qty) = 0, DATEDIFF(Max(dn.posting_date), so.transaction_date), 0) as time_taken_to_deliver,
 			IFNULL(SUM(sii.qty), 0) as billed_qty,
 			soi.base_amount as amount,
 			(soi.delivered_qty * soi.base_rate) as delivered_qty_amount,
@@ -70,9 +71,13 @@
 			so.company, soi.name
 		FROM
 			`tabSales Order` so,
-			`tabSales Order Item` soi
+			(`tabSales Order Item` soi
 		LEFT JOIN `tabSales Invoice Item` sii
-			ON sii.so_detail = soi.name and sii.docstatus = 1
+			ON sii.so_detail = soi.name and sii.docstatus = 1)
+		LEFT JOIN `tabDelivery Note Item` dni
+			on dni.so_detail = soi.name
+		RIGHT JOIN `tabDelivery Note` dn
+			on dni.parent = dn.name and dn.docstatus = 1
 		WHERE
 			soi.parent = so.name
 			and so.status not in ('Stopped', 'Closed', 'On Hold')
@@ -259,6 +264,12 @@
 			"fieldname": "delay",
 			"fieldtype": "Data",
 			"width": 100
+		},
+		{
+			"label": _("Time Taken to Deliver"),
+			"fieldname": "time_taken_to_deliver",
+			"fieldtype": "Data",
+			"width": 100
 		}
 	])
 	if not filters.get("group_by_so"):