diff --git a/src/Illuminate/Collections/helpers.php b/src/Illuminate/Collections/helpers.php
index 9babf4e0f881..deceaaf07c2e 100644
--- a/src/Illuminate/Collections/helpers.php
+++ b/src/Illuminate/Collections/helpers.php
@@ -76,7 +76,7 @@ function data_get($target, $key, $default = null)
 
             if (Arr::accessible($target) && Arr::exists($target, $segment)) {
                 $target = $target[$segment];
-            } elseif (is_object($target) && isset($target->{$segment})) {
+            } elseif (! $target instanceof Closure && is_object($target) && isset($target->{$segment})) {
                 $target = $target->{$segment};
             } else {
                 return value($default);
diff --git a/src/Illuminate/Queue/DatabaseQueue.php b/src/Illuminate/Queue/DatabaseQueue.php
index bce025c53340..c650f7c480fe 100644
--- a/src/Illuminate/Queue/DatabaseQueue.php
+++ b/src/Illuminate/Queue/DatabaseQueue.php
@@ -118,7 +118,7 @@ public function pushRaw($payload, $queue = null, array $options = [])
      * @param  string  $job
      * @param  mixed  $data
      * @param  string|null  $queue
-     * @return void
+     * @return mixed
      */
     public function later($delay, $job, $data = '', $queue = null)
     {
diff --git a/src/Illuminate/Queue/Queue.php b/src/Illuminate/Queue/Queue.php
index 4eb87e2a8e4b..f905281e47aa 100755
--- a/src/Illuminate/Queue/Queue.php
+++ b/src/Illuminate/Queue/Queue.php
@@ -301,6 +301,8 @@ protected function withCreatePayloadHooks($queue, array $payload)
      */
     protected function enqueueUsing($job, $payload, $queue, $delay, $callback)
     {
+        $delay ??= data_get($job, 'delay');
+
         if ($this->shouldDispatchAfterCommit($job) &&
             $this->container->bound('db.transactions')) {
             return $this->container->make('db.transactions')->addCallback(
@@ -325,8 +327,9 @@ function () use ($payload, $queue, $delay, $callback, $job) {
      */
     protected function shouldDispatchAfterCommit($job)
     {
-        if (! $job instanceof Closure && is_object($job) && isset($job->afterCommit)) {
-            return $job->afterCommit;
+        $afterCommit = data_get($job, 'afterCommit');
+        if (! is_null($afterCommit)) {
+            return $afterCommit;
         }
 
         if (isset($this->dispatchAfterCommit)) {