diff --git a/src/Stache/Repositories/OrderRepository.php b/src/Stache/Repositories/OrderRepository.php
index 5b362738..5a792c94 100644
--- a/src/Stache/Repositories/OrderRepository.php
+++ b/src/Stache/Repositories/OrderRepository.php
@@ -6,6 +6,7 @@
 use DuncanMcClean\Cargo\Contracts\Orders\Order;
 use DuncanMcClean\Cargo\Contracts\Orders\OrderRepository as RepositoryContract;
 use DuncanMcClean\Cargo\Contracts\Orders\QueryBuilder;
+use DuncanMcClean\Cargo\Customers\GuestCustomer;
 use DuncanMcClean\Cargo\Exceptions\OrderNotFound;
 use DuncanMcClean\Cargo\Orders\Blueprint;
 use Illuminate\Support\Carbon;
@@ -57,6 +58,18 @@ public function make(): Order
 
     public function makeFromCart(Cart $cart): Order
     {
+        $data = $cart->data();
+
+        if ($cart->customer() && ! $cart->customer() instanceof GuestCustomer) {
+            $hasExistingOrders = $this->query()
+                ->where('customer', $cart->customer()->getKey())
+                ->exists();
+
+            if (! $hasExistingOrders) {
+                $data->put('new_customer', true);
+            }
+        }
+
         return self::make()
             ->cart($cart->id())
             ->site($cart->site())
@@ -67,7 +80,7 @@ public function makeFromCart(Cart $cart): Order
             ->discountTotal($cart->discountTotal())
             ->taxTotal($cart->taxTotal())
             ->shippingTotal($cart->shippingTotal())
-            ->data($cart->data()->toArray());
+            ->data($data->toArray());
     }
 
     public function save(Order $order): void
diff --git a/tests/Orders/MakeOrderFromCartTest.php b/tests/Orders/MakeOrderFromCartTest.php
index e76b89ef..32be68e5 100644
--- a/tests/Orders/MakeOrderFromCartTest.php
+++ b/tests/Orders/MakeOrderFromCartTest.php
@@ -7,6 +7,7 @@
 use PHPUnit\Framework\Attributes\Test;
 use Statamic\Facades\Collection;
 use Statamic\Facades\Entry;
+use Statamic\Facades\User;
 use Statamic\Testing\Concerns\PreventsSavingStacheItemsToDisk;
 use Tests\TestCase;
 
@@ -68,4 +69,31 @@ public function it_can_make_an_order_from_a_cart()
             'status' => 'payment_pending',
         ], $order->fileData());
     }
+
+    #[Test]
+    public function it_adds_the_new_customer_flag_when_its_the_customers_first_order()
+    {
+        $user = User::make()->id('user-123')->email('first.time@example.com')->save();
+
+        $cart = Cart::make()->customer($user);
+
+        $order = Order::makeFromCart($cart);
+
+        $this->assertEquals('user-123', $order->customer()->id());
+        $this->assertEquals(true, $order->get('new_customer'));
+    }
+
+    #[Test]
+    public function it_doesnt_add_the_new_customer_flag_when_the_customer_has_past_orders()
+    {
+        $user = User::make()->id('user-123')->email('first.time@example.com')->save();
+        Order::make()->customer($user)->save();
+
+        $cart = Cart::make()->customer($user);
+
+        $order = Order::makeFromCart($cart);
+
+        $this->assertEquals('user-123', $order->customer()->id());
+        $this->assertNull($order->get('new_customer'));
+    }
 }