diff --git a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
index 0c5986bfafaa0..15dedcb48404e 100644
--- a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
+++ b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
@@ -874,6 +874,8 @@ class NixlConnectorWorker:
         Returns:
             set of req_ids that have all done xfers
         """
+        current_time = time.perf_counter()
+
         done_req_ids: set[str] = set()
         for req_id, handles in list(transfers.items()):
             in_progress = False
@@ -881,6 +883,8 @@ class NixlConnectorWorker:
                 xfer_state = self.nixl_wrapper.check_xfer_state(handle)
                 if xfer_state == "DONE":
                     self.nixl_wrapper.release_xfer_handle(handle)
+                    logger.debug("[nixl] req_id: %s transfer time: %s",
+                                 req_id, current_time - _xfer_stime)
                 elif xfer_state == "PROC":
                     in_progress = True
                     continue