diff --git a/app/celery/process_ses_receipts_tasks.py b/app/celery/process_ses_receipts_tasks.py
index 21968740a..fef0fb1f7 100644
--- a/app/celery/process_ses_receipts_tasks.py
+++ b/app/celery/process_ses_receipts_tasks.py
@@ -70,7 +70,11 @@ def process_ses_results(self, response):
         statsd_client.incr('callback.ses.{}'.format(notification_status))
 
         if notification.sent_at:
-            statsd_client.timing_with_dates('callback.ses.elapsed-time', datetime.utcnow(), notification.sent_at)
+            statsd_client.timing_with_dates(
+                f'callback.ses.{notification_status}.elapsed-time',
+                datetime.utcnow(),
+                notification.sent_at
+            )
 
         _check_and_queue_callback_task(notification)
 
diff --git a/app/celery/process_sms_client_response_tasks.py b/app/celery/process_sms_client_response_tasks.py
index 5c7c67ecb..6cc04d7fb 100644
--- a/app/celery/process_sms_client_response_tasks.py
+++ b/app/celery/process_sms_client_response_tasks.py
@@ -75,7 +75,7 @@ def _process_for_status(notification_status, client_name, provider_reference, de
 
     if notification.sent_at:
         statsd_client.timing_with_dates(
-            'callback.{}.elapsed-time'.format(client_name.lower()),
+            f'callback.{client_name.lower()}.{notification_status}.elapsed-time',
             datetime.utcnow(),
             notification.sent_at
         )
diff --git a/tests/app/celery/test_process_ses_receipts_tasks.py b/tests/app/celery/test_process_ses_receipts_tasks.py
index 693972acd..ee8c2081b 100644
--- a/tests/app/celery/test_process_ses_receipts_tasks.py
+++ b/tests/app/celery/test_process_ses_receipts_tasks.py
@@ -86,7 +86,7 @@ def test_ses_callback_should_update_notification_status(
         assert process_ses_results(ses_notification_callback(reference='ref'))
         assert get_notification_by_id(notification.id).status == 'delivered'
         statsd_client.timing_with_dates.assert_any_call(
-            "callback.ses.elapsed-time", datetime.utcnow(), notification.sent_at
+            "callback.ses.delivered.elapsed-time", datetime.utcnow(), notification.sent_at
         )
         statsd_client.incr.assert_any_call("callback.ses.delivered")
         updated_notification = Notification.query.get(notification.id)
diff --git a/tests/app/notifications/test_process_client_response.py b/tests/app/notifications/test_process_client_response.py
index e4bc103e9..f31a9c9ed 100644
--- a/tests/app/notifications/test_process_client_response.py
+++ b/tests/app/notifications/test_process_client_response.py
@@ -144,7 +144,7 @@ def test_process_sms_client_response_records_statsd_metrics(sample_notification,
 
     statsd_client.incr.assert_any_call("callback.firetext.delivered")
     statsd_client.timing_with_dates.assert_any_call(
-        "callback.firetext.elapsed-time", datetime.utcnow(), sample_notification.sent_at
+        "callback.firetext.delivered.elapsed-time", datetime.utcnow(), sample_notification.sent_at
     )