diff --git a/resources/sql/autopatches/20190220.daemon_worker.completed.01.sql b/resources/sql/autopatches/20190220.daemon_worker.completed.01.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20190220.daemon_worker.completed.01.sql
@@ -0,0 +1,2 @@
+ALTER TABLE {$NAMESPACE}_worker.worker_archivetask
+  ADD archivedEpoch INT UNSIGNED NULL;
diff --git a/resources/sql/autopatches/20190220.daemon_worker.completed.02.sql b/resources/sql/autopatches/20190220.daemon_worker.completed.02.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20190220.daemon_worker.completed.02.sql
@@ -0,0 +1,3 @@
+ALTER TABLE {$NAMESPACE}_worker.worker_activetask
+  ADD dateCreated int unsigned NOT NULL,
+  ADD dateModified int unsigned NOT NULL;
diff --git a/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php b/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php
--- a/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php
+++ b/src/applications/daemon/controller/PhabricatorDaemonConsoleController.php
@@ -31,6 +31,7 @@
         $completed_info[$class] = array(
           'n' => 0,
           'duration' => 0,
+          'queueTime' => 0,
         );
       }
       $completed_info[$class]['n']++;
@@ -41,16 +42,33 @@
       // compute utilization.
       $usage_total += $lease_overhead + ($duration / 1000000);
       $usage_start = min($usage_start, $completed_task->getDateModified());
+
+      $date_archived = $completed_task->getArchivedEpoch();
+      $queue_seconds = $date_archived - $completed_task->getDateCreated();
+
+      // Don't measure queue time for tasks that completed in the same
+      // epoch-second they were created in.
+      if ($queue_seconds > 0) {
+        $sec_in_us = phutil_units('1 second in microseconds');
+        $queue_us = $queue_seconds * $sec_in_us;
+        $queue_exclusive_us = $queue_us - $duration;
+        $queue_exclusive_seconds = $queue_exclusive_us / $sec_in_us;
+        $rounded = floor($queue_exclusive_seconds);
+        $completed_info[$class]['queueTime'] += $rounded;
+      }
     }
 
     $completed_info = isort($completed_info, 'n');
 
     $rows = array();
     foreach ($completed_info as $class => $info) {
+      $duration_avg = new PhutilNumber((int)($info['duration'] / $info['n']));
+      $queue_avg = new PhutilNumber((int)($info['queueTime'] / $info['n']));
       $rows[] = array(
         $class,
         number_format($info['n']),
-        pht('%s us', new PhutilNumber((int)($info['duration'] / $info['n']))),
+        pht('%s us', $duration_avg),
+        pht('%s s', $queue_avg),
       );
     }
 
@@ -98,6 +116,7 @@
         phutil_tag('em', array(), pht('Queue Utilization (Approximate)')),
         sprintf('%.1f%%', 100 * $used_time),
         null,
+        null,
       );
     }
 
@@ -108,13 +127,15 @@
       array(
         pht('Class'),
         pht('Count'),
-        pht('Avg'),
+        pht('Average Duration'),
+        pht('Average Queue Time'),
       ));
     $completed_table->setColumnClasses(
       array(
         'wide',
         'n',
         'n',
+        'n',
       ));
 
     $completed_panel = id(new PHUIObjectBoxView())
diff --git a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php
--- a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php
+++ b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php
@@ -12,7 +12,6 @@
 
     $config = array(
       self::CONFIG_IDS => self::IDS_COUNTER,
-      self::CONFIG_TIMESTAMPS => false,
       self::CONFIG_KEY_SCHEMA => array(
         'taskClass' => array(
           'columns' => array('taskClass'),
@@ -118,7 +117,9 @@
       ->setPriority($this->getPriority())
       ->setObjectPHID($this->getObjectPHID())
       ->setResult($result)
-      ->setDuration($duration);
+      ->setDuration($duration)
+      ->setDateCreated($this->getDateCreated())
+      ->setArchivedEpoch(PhabricatorTime::getNow());
 
     // NOTE: This deletes the active task (this object)!
     $archive->save();
diff --git a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerArchiveTask.php b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerArchiveTask.php
--- a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerArchiveTask.php
+++ b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerArchiveTask.php
@@ -8,6 +8,7 @@
 
   protected $duration;
   protected $result;
+  protected $archivedEpoch;
 
   protected function getConfiguration() {
     $parent = parent::getConfiguration();
@@ -22,6 +23,7 @@
     $config[self::CONFIG_COLUMN_SCHEMA] = array(
       'result' => 'uint32',
       'duration' => 'uint64',
+      'archivedEpoch' => 'epoch?',
     ) + $config[self::CONFIG_COLUMN_SCHEMA];
 
     $config[self::CONFIG_KEY_SCHEMA] = array(
@@ -85,6 +87,7 @@
         ->setDataID($this->getDataID())
         ->setPriority($this->getPriority())
         ->setObjectPHID($this->getObjectPHID())
+        ->setDateCreated($this->getDateCreated())
         ->insert();
 
       $this->setDataID(null);